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A B757-200 was dispatched in non compliance with #2 engine reverser deferred as inoperative in conflict with the MEL limits.
| Attributes | |
| ACN | 573049 |
| Time | |
| Date | 200302 |
| Day | Mon |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tracon : vps.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B757 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 |
| ASRS Report | 573049 |
| 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 : company policies non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Departed ZZZ international airport with r-hand thrust reverser inoperative per MEL. According to MEL, 1 thrust reverser inoperative allowed per basic requirements. General section of MEL contains a benign area of operation map between the definitions for basic requirements and benign operations. Carcass is included in the map, which can mistakenly be interpreted as an area where basic requirements apply.
Original NASA ASRS Text
Title: A B757-200 WAS DISPATCHED IN NON COMPLIANCE WITH #2 ENG REVERSER DEFERRED AS INOP IN CONFLICT WITH THE MEL LIMITS.
Narrative: DEPARTED ZZZ INTL ARPT WITH R-HAND THRUST REVERSER INOP PER MEL. ACCORDING TO MEL, 1 THRUST REVERSER INOP ALLOWED PER BASIC REQUIREMENTS. GENERAL SECTION OF MEL CONTAINS A BENIGN AREA OF OP MAP BTWN THE DEFINITIONS FOR BASIC REQUIREMENTS AND BENIGN OPS. CARCASS IS INCLUDED IN THE MAP, WHICH CAN MISTAKENLY BE INTERPED AS AN AREA WHERE BASIC REQUIREMENTS APPLY.
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.