<< >> NASA ASRS Report 527992, October 2001

A B737-200 was dispatched in non compliance with an engine cowl anti-ice valve inoperative in conflict with the MEL requirements.

Attributes
ACN	527992
Time
Date	200110
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-200
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 140 flight time total : 7500 flight time type : 5000
ASRS Report	527992
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance maintenance problem : non compliance with mel non adherence : published procedure non adherence : far
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry
Supplementary
Problem Areas	Maintenance Human Performance Aircraft Environmental Factor
Primary Problem	Maintenance Human Performance

Narrative:

We took aircraft X in ZZZ with MEL 30-3. Engine cowl valve light on bright with switch off. This had been written up earlier in the day and all maintenance procedures were reported to be verified and complete as noted in logbook and on the release. However, in cruise flight, I was looking at the MEL appendix section. In order for this aircraft to be operated in conditions above 10 degrees C, a modified cowl is required. Upon inspection of the cowl in ZZZ, it was unsure whether this cowl was actually modified or not. I called maintenance duty and they seemed surprised at my discovery, and insisted that this was a modified nose cowl. I described the cowl to them and at the time of this report, it seems that the cowl is unmodified, and I operated the aircraft X in conditions above 10 degrees C.

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Original NASA ASRS Text

Title: A B737-200 WAS DISPATCHED IN NON COMPLIANCE WITH AN ENG COWL ANTI-ICE VALVE INOP IN CONFLICT WITH THE MEL REQUIREMENTS.

Narrative: WE TOOK ACFT X IN ZZZ WITH MEL 30-3. ENG COWL VALVE LIGHT ON BRIGHT WITH SWITCH OFF. THIS HAD BEEN WRITTEN UP EARLIER IN THE DAY AND ALL MAINT PROCS WERE RPTED TO BE VERIFIED AND COMPLETE AS NOTED IN LOGBOOK AND ON THE RELEASE. HOWEVER, IN CRUISE FLT, I WAS LOOKING AT THE MEL APPENDIX SECTION. IN ORDER FOR THIS ACFT TO BE OPERATED IN CONDITIONS ABOVE 10 DEGS C, A MODIFIED COWL IS REQUIRED. UPON INSPECTION OF THE COWL IN ZZZ, IT WAS UNSURE WHETHER THIS COWL WAS ACTUALLY MODIFIED OR NOT. I CALLED MAINT DUTY AND THEY SEEMED SURPRISED AT MY DISCOVERY, AND INSISTED THAT THIS WAS A MODIFIED NOSE COWL. I DESCRIBED THE COWL TO THEM AND AT THE TIME OF THIS RPT, IT SEEMS THAT THE COWL IS UNMODIFIED, AND I OPERATED THE ACFT X IN CONDITIONS ABOVE 10 DEGS C.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.