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2003 Infiniti M45

Owner reports · Recalls · Investigations

More warning signs than most M45 years

Owner complaints for the 2003 Infiniti M45 are substantially higher than the model-year median of 27.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

111 reports with mileage · 18 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel System, Gasoline. Review the 65 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Engine complaints

23 reports
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156,000 miles · Oct 19, 2015
EngineEngine And Engine Cooling

TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED BUT THE FAILURE RECURRED CONTINUOUSLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT POSITION SENSOR AND ENGINE CONTROL MODULE NEEDED TO REPLA…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED BUT THE FAILURE RECURRED CONTINUOUSLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT POSITION SENSOR AND ENGINE CONTROL MODULE NEEDED TO REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE AND THE VIN WAS NOT INCLUDED NHTSA CAMPAIGN NUMBER: 03V455000 (ENGINE AND ENGINE COOLING). THE FAILURE MILEAGE WAS 156,000... ....UPDATED 12/30/15 *BF THE CONSUMER STATED IT WAS ADVISED FOR THE CONTROL MODULE TO BE REPLACED. UPDATED 2/23/2016 *JS

NHTSA ODI #10783282

190,000 miles · May 5, 2015
Electrical SystemEngine

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE STALLED AFTER THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN STATED THERE WAS A FAILURE IN THE CRANK SHAFT POSITION SENSOR. NO REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS MAD…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE STALLED AFTER THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN STATED THERE WAS A FAILURE IN THE CRANK SHAFT POSITION SENSOR. NO REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 190,000.

NHTSA ODI #10714706

Mileage unknown · Apr 24, 2014
EngineFuel System, GasolinePower Train

THIS VEHICLE RANDOMLY WILL SHUT DOWN ALL MECHANICAL SYSTEMS SIMULTANEOUSLY AT ANY SPEED WHICH CREATES AN EXTREMELY DANGEROUS SITUATION, ESPECIALLY AROUND OTHER TRAFFIC, WHICH COULD RESULT IN A CRASH. THE CAR'S "SERVICE ENGINE SOON" LIGHT APPEARS, THE CAR IMMEDIATELY LOSES ENGINE POWER, BRAKES, AND STEERING AND MANY TIMES WILL NO…

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THIS VEHICLE RANDOMLY WILL SHUT DOWN ALL MECHANICAL SYSTEMS SIMULTANEOUSLY AT ANY SPEED WHICH CREATES AN EXTREMELY DANGEROUS SITUATION, ESPECIALLY AROUND OTHER TRAFFIC, WHICH COULD RESULT IN A CRASH. THE CAR'S "SERVICE ENGINE SOON" LIGHT APPEARS, THE CAR IMMEDIATELY LOSES ENGINE POWER, BRAKES, AND STEERING AND MANY TIMES WILL NOT RESTART IMMEDIATELY WHICH PUTS THE PASSENGERS AT RISK OF A CRASH IN ANY SITUATION. THESE ARE THE EXACT SAME SYMPTOMS OF A RECALL ISSUED BY INFINITI FOR THE 2003 M45, HOWEVER, INFINITI INSISTS THAT THIS VEHICLE IS NOT INCLUDED IN THE RECALL. I HAVE ALREADY CHANGED THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). *TR

NHTSA ODI #10584627

134,009 miles · Apr 18, 2014
Engine

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT AFTER STARTING THE VEHICLE, IT SUDDENLY STALLED. THE CONTACT ALSO MENTIONED THAT THE SERVICE ENGINE SOON WARNING LIGHT ILLUMINATED. THE DEALER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 03V455000 (ENGINE AND E…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT AFTER STARTING THE VEHICLE, IT SUDDENLY STALLED. THE CONTACT ALSO MENTIONED THAT THE SERVICE ENGINE SOON WARNING LIGHT ILLUMINATED. THE DEALER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 03V455000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 134,009.

NHTSA ODI #10583502

171,000 miles · Feb 25, 2014
Engine

TL* THE CONTACT OWNS A 2003 INFINI M45. THE CONTACT STATED THAT WHILE DRIVING WITH THE CRUISE CONTROL SET AT 80 MPH, THE VEHICLE STALLED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE MANUFACTURER WAS CONTACTED AND ADVISED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 03V455000 (ENGINE AND ENGINE COOLING). THE V…

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TL* THE CONTACT OWNS A 2003 INFINI M45. THE CONTACT STATED THAT WHILE DRIVING WITH THE CRUISE CONTROL SET AT 80 MPH, THE VEHICLE STALLED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE MANUFACTURER WAS CONTACTED AND ADVISED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 03V455000 (ENGINE AND ENGINE COOLING). THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 171,000.

NHTSA ODI #10565851

142,000 miles · Jan 17, 2014
Engine

MY VEHICLE HAS ROUGH START, STALLS AND HAS TURNED OFF WHILE IN OPERATION. *TR

NHTSA ODI #10560320

147,000 miles · Sep 23, 2013
Engine

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE STALLED WITHOUT WARNING. THE ENGINE FAILED TO RESTART AND THE VEHICLE WAS TOWED TO THE DEALER. THERE WAS A RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER 01V357000 (ENGINE AND ENGINE COOLING); HOWEVER THE CONTACT'S V…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE STALLED WITHOUT WARNING. THE ENGINE FAILED TO RESTART AND THE VEHICLE WAS TOWED TO THE DEALER. THERE WAS A RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER 01V357000 (ENGINE AND ENGINE COOLING); HOWEVER THE CONTACT'S VIN WAS NOT INCLUDED IN THE RECALL. THE VEHICLE WAS IN THE PROCESS OF BEING REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 147,000.

NHTSA ODI #10545000

140,000 miles · Sep 4, 2013
Engine

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED HOWEVER, THE FAILURE RECURRED SPORADICALLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC BUT WAS NOT REPAIRED OR DIAGNOSED. THE MANUFACTURER WAS NOTIFIED OF THE INCIDENT BUT I…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED HOWEVER, THE FAILURE RECURRED SPORADICALLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC BUT WAS NOT REPAIRED OR DIAGNOSED. THE MANUFACTURER WAS NOTIFIED OF THE INCIDENT BUT INFORMED THE CONTACT THAT THE VIN WAS NOT LISTED UNDER NHTSA CAMPAIGN NUMBER: 03V455000 (ENGINE AND ENGINE COOLING). THE APPROXIMATE FAILURE MILEAGE WAS 140000.

NHTSA ODI #10541888

157,236 miles · Aug 9, 2013
EnginePower TrainSteering

THIS VEHICLE RANDOMLY WILL SHUT DOWN ALL MECHANICAL SYSTEMS SIMULTANEOUSLY AT ANY SPEED WHICH CREATES AN EXTREMELY DANGEROUS SITUATION, ESPECIALLY AROUND OTHER TRAFFIC, WHICH COULD RESULT IN A CRASH. THE CAR'S "SERVICE ENGINE SOON" LIGHT APPEARS, THE CAR IMMEDIATELY LOSES ENGINE POWER, BRAKES, AND STEERING AND MANY TIMES WILL NO…

Read full complaint

THIS VEHICLE RANDOMLY WILL SHUT DOWN ALL MECHANICAL SYSTEMS SIMULTANEOUSLY AT ANY SPEED WHICH CREATES AN EXTREMELY DANGEROUS SITUATION, ESPECIALLY AROUND OTHER TRAFFIC, WHICH COULD RESULT IN A CRASH. THE CAR'S "SERVICE ENGINE SOON" LIGHT APPEARS, THE CAR IMMEDIATELY LOSES ENGINE POWER, BRAKES, AND STEERING AND MANY TIMES WILL NOT RESTART IMMEDIATELY WHICH PUTS THE PASSENGERS AT RISK OF A CRASH IN ANY SITUATION. THESE ARE THE EXACT SAME SYMPTOMS OF A RECALL ISSUED BY INFINITI FOR THE 2003 M45, HOWEVER, INFINITI INSISTS THAT THIS VEHICLE IS NOT INCLUDED IN THE RECALL. MAYBE ONCE SOMEONE IS KILLED IN A CRASH INFINITI WILL RECONSIDER ITS POSITION ON THIS MATTER. ACCORDING TO THE INFINITI DEALER, THEY DO NOT KNOW THE CAUSE OF THE PROBLEM. THEIR SUGGESTION WAS TO LEAVE THE CAR WITH THEM FOR 2 OR 3 DAYS SO THEY COULD HOOK UP EQUIPMENT TO THE CAR AND DRIVE IT AROUND (AT $130 PER HOUR) HOPING THAT THE PROBLEM WOULD OCCUR. BOTH THE DEALER AND INFINITI USA SEEM UNWILLING TO INVESTIGATE THIS PROBLEM WITHOUT COSTING ME HUNDREDS OR EVEN THOUSANDS OF DOLLARS TO FUND THEIR RESEARCH IN AN EFFORT TO PREVENT A CRASH. HERE IS THE DESCRIPTION OF THE SYMPTOMS CAUSED BY THE RECALL: THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH. *TR

NHTSA ODI #10534441

124,000 miles · Jan 20, 2013
Engine

I AM STARTING TO NOTICE THAT MY ENGINE IS BURNING EXCESSIVE AMOUNTS OF OIL. I ONLY HAVE 2 THOUSAND MILES ON AN OIL CHANGE AND MY VEHICLE WAS ALMOST OUT OF OIL WHEN I CHECKED. I DON'T DRIVE THE VEHICLE HARD AT ALL, JUST NORMAL DRIVING. I'VE CHECKED OTHER FORUMS AND IT SEEMS TO BE A PROBLEM WITH A LOT OF THE VEHICLES. I JUST WANTE…

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I AM STARTING TO NOTICE THAT MY ENGINE IS BURNING EXCESSIVE AMOUNTS OF OIL. I ONLY HAVE 2 THOUSAND MILES ON AN OIL CHANGE AND MY VEHICLE WAS ALMOST OUT OF OIL WHEN I CHECKED. I DON'T DRIVE THE VEHICLE HARD AT ALL, JUST NORMAL DRIVING. I'VE CHECKED OTHER FORUMS AND IT SEEMS TO BE A PROBLEM WITH A LOT OF THE VEHICLES. I JUST WANTED TO MAKE EVERYONE AWARE OF THIS, IT COULD BE DANGEROUS. HTTP://FORUMS.NICOCLUB.COM/2003-M45-BURNING-OIL-ENGINE-REPLACEMENT-T385113.HTML. *TR

NHTSA ODI #10493591

Official recalls

2

12V088000 · Fuel System, Gasoline

Mar 6, 2012

NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2004 INFINITI M45 VEHICLES MANUFACTURED FROM MARCH 7, 2002, THROUGH JUNE 3, 2004. DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS. AS A RESULT, THE VEHICLE MAY RUN OUT OF GAS WITHOUT NOTICE.

Consequence & remedy

Consequence: THE VEHICLE MAY STALL WITHOUT WARNING, INCREASING THE RISK OF A CRASH.

Remedy: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE CIRCUIT BOARD FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 27, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.

03V455000 · Engine And Engine Cooling

Nov 17, 2003

ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.

Consequence & remedy

Consequence: THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). VEHICLES INVOLVED IN A PREVIOUS RECALL CAMPAIGN, 01V357, ARE ALSO INCLUDED IN THIS NEW CAMPAIGN. THE REPLACEMENT SENSORS USED IN THAT CAMPAIGN ARE ALSO AFFECTED. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

PE11038 · Fuel Level Gauge System Failure

Opened Dec 14, 2011 · Closed Mar 22, 2012

Status: closed (inferred from source dates) · Fuel System, Other:storage:fuel Gauge System

In a March 5, 2012 letter to NHTSA, Nissan North America, Inc. (Nissan) submitted a Defect Information Report identifying a defect in the combination meter circuit board in approximately 8,120 model year 2003 through 2004 Infiniti M45 vehicles manufactured from March 7, 2002 through June 3, 2004 (Recall No. 12V-088). According to Nissan, heat generated by several components of the circuit board may cause solder cracks due to thermal shock.Open circuits created by the solder cracks may cause the fuel gauge to read higher than the actual amount of fuel remaining in the gas tank or always indicate full.Because of this condition, drivers may run out of fuel without notice, resulting in an engine stall without warning with no possibility of restart. The Office of Defects Investigation (ODI) analyzed complaint data provided by Nissan as well as complaints submitted to ODI from consumers.In total, there were 315 unique reports indicating an inaccurate fuel level reading while driving, including 61 that resulted in an engine stall incident (7.5 incidents per thousand vehicles).In addition, Nissan provided warranty data showing 2,525 claims for replacement of the subject component (31% claim rate).Nissan will begin owner notification in mid-April 2012.Owners of the recalled vehicles will be notified to take their vehicle to an Infiniti dealer, who will install a sub-amplifier in the combination meter to bypass the electric circuit and ensure accurate fuel level indication.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.): 10429412, 10427140, 10426741, 10424642, 10423199, 10418078, 10416519, 10414944, 10412053, 10408935, 10406834, 10406096, 10404206, 10404080, 10395207, 10392714, 10386134, 10380863, 10374719, 10373992, 10369584, 10365717, 10365428, 10356315, 10353972, 10351181, 10349252, 10348351, 10342961, 10342641, 10336272, 10329869, 10325399, 10324572, 10323996, 10323757, 10322403, 10320190, 10318987, 10317547, 10317273, 10317234, 10317030, 10308445.

EA09005 · Non-deployment Of Side Thorax Air Bags

Opened Apr 1, 2009 · Closed Apr 3, 2012

Status: closed (inferred from source dates) · Air Bags:side/window

The subject vehicles are equipped with seat-mounted, side thorax air bags for the driver and front passenger.This investigation revealed that faulty side air bag module electrical connectors located under the driver and front passenger seats can cause an interruption in the electrical circuit that will drop the input voltage below the specified range.As a result, the air bag warning lamp illuminates on the instrument panel and the affected side air bag becomes deactivated.In June 2009, Nissan conducted a service campaign to repair the defective air bag electrical connectors in the subject vehicles (both Infiniti Q45 and M45 models).In June 2010, Nissan sent a second notification concerning the 2009 campaign to owners of vehicles that have not been remedied.Nissan is now conducting a safety recall of the Q45 vehicles not remedied under the service campaign (approximately 1,349 vehicles; see NHTSA Safety Recall No. 12V-079 for further details).The M45 vehicles are not included in the recall; however, Nissan is re-notifying owners of M45 vehicles that were not remedied under the previous service campaign.See attached report for more information.A safety-related defect trend has not been identified in the Infiniti M45 vehicles at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.The ODI reports cited above can be reviewed online at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10327196 and 10402282

PE08067 · Side Air Bag NON-DEPLOYMENT

Opened Dec 2, 2008 · Closed Apr 1, 2009

Status: closed (inferred from source dates) · Air Bags:side/window

THE SUBJECT VEHICLES ARE EQUIPPED WITH SEAT-MOUNTED, SIDE TORSO AIR BAGS FOR THE DRIVER AND FRONT PASSENGER.THIS INVESTIGATION HAS REVEALED THAT FAULTY SIDE AIR BAG MODULE CONNECTORS LOCATED UNDER THE FRONT SEATS CAN CAUSE AN INTERRUPTION IN THE ELECTRICAL CURRENT THAT WILL DROP THE INPUT VOLTAGE BELOW THE SPECIFIED RANGE.AS A RESULT, THE AIR BAG WARNING LAMP ILLUMINATES AND THE AFFECTED SIDE AIR BAG IS DEACTIVATED.THE RATES OF COMPLAINTS, FIELD REPORTS AND WARRANTY CLAIMS RELATED TO THE SUBJECT ISSUE ARE VERY HIGH.FOR EXAMPLE, NISSAN SUBMITTED 4,853 WARRANTY CLAIMS ON 3,551 DISTINCT SUBJECT VEHICLES OUT OF 13,836 TOTAL SUBJECT VEHICLES.ALSO, ANALYSES OF WARRANTY CLAIMS INDICATE AN INCREASING FAILURE TREND OVER TIME.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-005) TO FURTHER STUDY THE ISSUE.