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A medium large transport was dispatched in non compliance with the right and left thrust reversers inoperative in conflict with the MEL.
| Attributes | |
| ACN | 550418 |
| Time | |
| Date | 200206 |
| Day | Sat |
| 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 | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | landing : roll |
| Flight Plan | IFR |
| Person 1 | |
| Function | maintenance : technician |
| ASRS Report | 550418 |
| Person 2 | |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : non compliance with mel maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Flight Crew Human Performance Chart Or Publication Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
First flight of the day. The #2 thrust reverser had been MEL'ed inoperative and was properly secured and placarded and was signed off by maintenance. This crew flew uneventfully and no reverse thrust was used. This crew then flew flight without incidence. #1 reverse thrust lever was momentarily deployed slightly upon landing but was quickly lowered when it's use was not necessary, no abnormalities were noted by either crew members. Crew changed aircraft and returned to base to complete pairing. Later, another captain called me at home to inform me that he had attempted to use #1 reverser and that it did not deploy. Apparently, maintenance investigated the problem and found that the #1 reverser circuit breakers had been pulled and collared instead of #2. Therefore, had apparently flown 2 legs with the wrong circuit breakers pulled and collared.
Original NASA ASRS Text
Title: A MEDIUM LARGE TRANSPORT WAS DISPATCHED IN NON COMPLIANCE WITH THE R AND L THRUST REVERSERS INOP IN CONFLICT WITH THE MEL.
Narrative: FIRST FLT OF THE DAY. THE #2 THRUST REVERSER HAD BEEN MEL'ED INOP AND WAS PROPERLY SECURED AND PLACARDED AND WAS SIGNED OFF BY MAINT. THIS CREW FLEW UNEVENTFULLY AND NO REVERSE THRUST WAS USED. THIS CREW THEN FLEW FLT WITHOUT INCIDENCE. #1 REVERSE THRUST LEVER WAS MOMENTARILY DEPLOYED SLIGHTLY UPON LNDG BUT WAS QUICKLY LOWERED WHEN IT'S USE WAS NOT NECESSARY, NO ABNORMALITIES WERE NOTED BY EITHER CREW MEMBERS. CREW CHANGED ACFT AND RETURNED TO BASE TO COMPLETE PAIRING. LATER, ANOTHER CAPT CALLED ME AT HOME TO INFORM ME THAT HE HAD ATTEMPTED TO USE #1 REVERSER AND THAT IT DID NOT DEPLOY. APPARENTLY, MAINT INVESTIGATED THE PROB AND FOUND THAT THE #1 REVERSER CIRCUIT BREAKERS HAD BEEN PULLED AND COLLARED INSTEAD OF #2. THEREFORE, HAD APPARENTLY FLOWN 2 LEGS WITH THE WRONG CIRCUIT BREAKERS PULLED AND COLLARED.
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.