A B767-300 was dispatched in non compliance with the equipment cooling fan deferred as inoperative per the MEL but special procedures were not accomplished correctly.

Home

Browse by month

Random

Latest

About

Contact

Attributes
ACN	532806
Time
Date	200112
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B767-300 and 300 ER
Operating Under FAR Part	Part 121
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
ASRS Report	532806
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : far non adherence : published procedure
Independent Detector	aircraft equipment other aircraft equipment : instrument blinking other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact
Consequence	other
Factors
Maintenance	contributing factor : schedule pressure contributing factor : manuals performance deficiency : inspection performance deficiency : non compliance with legal requirements performance deficiency : logbook entry
Supplementary
Problem Areas	Aircraft Chart Or Publication Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Aircraft at departure called maintenance with equipment cooling valve light and EICAS message. Dispatch aircraft per MEL with equipment cooling system in standby and outbleed valve breaker P13 pulled as per procedure in MEL. Aircraft landed in slc with this breaker another 922 pulled and collared with numerous write ups for instrument blocking overheat. Unknown how other breaker was pulled but witnessed that aircraft was dispatched with only the one called out on MEL was pulled.

Original NASA ASRS Text

Title: A B767-300 WAS DISPATCHED IN NON COMPLIANCE WITH THE EQUIP COOLING FAN DEFERRED AS INOP PER THE MEL BUT SPECIAL PROCS WERE NOT ACCOMPLISHED CORRECTLY.

Narrative: ACFT AT DEP CALLED MAINT WITH EQUIP COOLING VALVE LIGHT AND EICAS MSG. DISPATCH ACFT PER MEL WITH EQUIP COOLING SYS IN STANDBY AND OUTBLEED VALVE BREAKER P13 PULLED AS PER PROC IN MEL. ACFT LANDED IN SLC WITH THIS BREAKER ANOTHER 922 PULLED AND COLLARED WITH NUMEROUS WRITE UPS FOR INSTRUMENT BLOCKING OVERHEAT. UNKNOWN HOW OTHER BREAKER WAS PULLED BUT WITNESSED THAT ACFT WAS DISPATCHED WITH ONLY THE ONE CALLED OUT ON MEL WAS PULLED.

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.