 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Review of aml during flight causes captain to believe a maintenance deferral was not consistent with MEL requirements.
| Attributes | |
| ACN | 722338 |
| Time | |
| Date | 200612 |
| Place | |
| Locale Reference | airport : bos.airport |
| State Reference | MA |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 722338 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Before gate departure I questioned a logbook write-up and signoff with the mechanic at the gate and maintenance control technician by phone. The write-up stated 'no land 3 annunciated on asa in flight; repeat item.' the signoff stated 'ckd and found right stabilizer position transmitter at fault deferred per MEL inoperative entered in sheet.' the referenced MEL refers to automatic landing system and not to the stabilizer position transmitter being inoperative. The maintenance control technician told me on the phone the stabilizer position transmitter fault caused an autoplt failure and this caused the no land 3; he went on to say that this was a correct signoff. I accepted his explanation and departed. After takeoff I reviewed the MEL again. I now believe we may have inadvertently violated the MEL requirements for this write-up; although at no time did I believe we flew a non airworthy aircraft.
Original NASA ASRS Text
Title: REVIEW OF AML DURING FLT CAUSES CAPT TO BELIEVE A MAINT DEFERRAL WAS NOT CONSISTENT WITH MEL REQUIREMENTS.
Narrative: BEFORE GATE DEP I QUESTIONED A LOGBOOK WRITE-UP AND SIGNOFF WITH THE MECH AT THE GATE AND MAINT CTL TECHNICIAN BY PHONE. THE WRITE-UP STATED 'NO LAND 3 ANNUNCIATED ON ASA IN FLT; REPEAT ITEM.' THE SIGNOFF STATED 'CKD AND FOUND R STAB POS XMITTER AT FAULT DEFERRED PER MEL INOP ENTERED IN SHEET.' THE REFED MEL REFERS TO AUTOMATIC LNDG SYS AND NOT TO THE STABILIZER POS XMITTER BEING INOP. THE MAINT CTL TECHNICIAN TOLD ME ON THE PHONE THE STABILIZER POS XMITTER FAULT CAUSED AN AUTOPLT FAILURE AND THIS CAUSED THE NO LAND 3; HE WENT ON TO SAY THAT THIS WAS A CORRECT SIGNOFF. I ACCEPTED HIS EXPLANATION AND DEPARTED. AFTER TKOF I REVIEWED THE MEL AGAIN. I NOW BELIEVE WE MAY HAVE INADVERTENTLY VIOLATED THE MEL REQUIREMENTS FOR THIS WRITE-UP; ALTHOUGH AT NO TIME DID I BELIEVE WE FLEW A NON AIRWORTHY ACFT.
Data retrieved from NASA's ASRS site as of January 2009 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.