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A B767 is released for service after the maintenance personnel improperly certify that the MEL'ed APU's circuit breakers are all capped at ZZZ, ca.
| Attributes | |
| ACN | 525694 |
| Time | |
| Date | 200107 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 14500 flight time type : 3023 |
| ASRS Report | 525694 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time type : 2006 |
| ASRS Report | 525700 |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : non compliance with mel maintenance problem : improper maintenance non adherence : company policies non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : engineering procedure contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : inspection performance deficiency : unqualified personnel |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Flight Crew Human Performance Company Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Our gate man worked on the cockpit door lock and told me it was fixed. It was not. He had to be called back with a maintenance supervisor to finish the job. The supervisor left and I asked him if all the circuit breakers were pulled for the APU deferral. On preflight I believe all breakers were in. He said the required breakers were in the aft pit and were pulled and capped. Upon pulling up the MEL item on ACARS after takeoff I saw that circuit breaker B34 on P11 was to be pulled and capped. It was out but not capped. Later into the flight I noticed spare parts on the floor by the door. Were these from the door? Mr X needs to be counseled by a manager to double check his work and not to lie to the cockpit crew members.
Original NASA ASRS Text
Title: A B767 IS RELEASED FOR SVC AFTER THE MAINT PERSONNEL IMPROPERLY CERTIFY THAT THE MEL'ED APU'S CIRCUIT BREAKERS ARE ALL CAPPED AT ZZZ, CA.
Narrative: OUR GATE MAN WORKED ON THE COCKPIT DOOR LOCK AND TOLD ME IT WAS FIXED. IT WAS NOT. HE HAD TO BE CALLED BACK WITH A MAINT SUPVR TO FINISH THE JOB. THE SUPVR LEFT AND I ASKED HIM IF ALL THE CIRCUIT BREAKERS WERE PULLED FOR THE APU DEFERRAL. ON PREFLT I BELIEVE ALL BREAKERS WERE IN. HE SAID THE REQUIRED BREAKERS WERE IN THE AFT PIT AND WERE PULLED AND CAPPED. UPON PULLING UP THE MEL ITEM ON ACARS AFTER TKOF I SAW THAT CIRCUIT BREAKER B34 ON P11 WAS TO BE PULLED AND CAPPED. IT WAS OUT BUT NOT CAPPED. LATER INTO THE FLT I NOTICED SPARE PARTS ON THE FLOOR BY THE DOOR. WERE THESE FROM THE DOOR? MR X NEEDS TO BE COUNSELED BY A MGR TO DOUBLE CHK HIS WORK AND NOT TO LIE TO THE COCKPIT CREW MEMBERS.
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.