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A DC9-83 was dispatched in non compliance with an MEL item deferred but not matching the reported fault on the aircraft.
| Attributes | |
| ACN | 493960 |
| Time | |
| Date | 200012 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tower : lga.tower |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 165 flight time total : 7800 flight time type : 2300 |
| ASRS Report | 493960 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : non compliance with mel 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 |
| Factors | |
| Maintenance | contributing factor : schedule pressure contributing factor : manuals performance deficiency : fault isolation performance deficiency : non compliance with legal requirements performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
On dec/xa/00, flying as PNF, first officer on air carrier flight xx DC9-83 aircraft xyz, it was later discovered that the MEL 34-9B was an improper MEL for the actual problem with the aircraft. The captain and I flew the aircraft in accordance with special procedures for MEL 34-9B as all information and paperwork provided at the time of this flight event.
Original NASA ASRS Text
Title: A DC9-83 WAS DISPATCHED IN NON COMPLIANCE WITH AN MEL ITEM DEFERRED BUT NOT MATCHING THE RPTED FAULT ON THE ACFT.
Narrative: ON DEC/XA/00, FLYING AS PNF, FO ON ACR FLT XX DC9-83 ACFT XYZ, IT WAS LATER DISCOVERED THAT THE MEL 34-9B WAS AN IMPROPER MEL FOR THE ACTUAL PROB WITH THE ACFT. THE CAPT AND I FLEW THE ACFT IN ACCORDANCE WITH SPECIAL PROCS FOR MEL 34-9B AS ALL INFO AND PAPERWORK PROVIDED AT THE TIME OF THIS FLT EVENT.
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.