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MD11 flight crew departs on over water flight with MEL and learns after the flight that the aircraft may not be operated over water with this deferral. The MEL book was not clear on this aspect.
| Attributes | |
| ACN | 921182 |
| Time | |
| Date | 201011 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | MD-11 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 50 Flight Crew Total 25500 Flight Crew Type 1850 |
| Person 2 | |
| Function | Relief Pilot Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural MEL Deviation - Procedural Published Material / Policy |
Narrative:
This flight was long range and over water and there was a deferral 52-10--3-2. I was told that the deferral was low pneumatics for 1-L door; but deferral did not indicate door as inoperative. This deferral is problematic in that there is confusion as to if extra life rafts were needed for extended over water flight. The door was not considered inoperative. Next day we found out next crew questioned the MEL and logged this information and was told legal to fly. We did not log who we talked to. Next flight did air turn back due to legality per maintenance control. Subsequently have found that this MEL has been looked into and an MEL revision will be out in about 6 months. This item should be flagged as problematic to avoid confusion until revision issued.
Original NASA ASRS Text
Title: MD11 flight crew departs on over water flight with MEL and learns after the flight that the aircraft may not be operated over water with this deferral. The MEL book was not clear on this aspect.
Narrative: This flight was long range and over water and there was a deferral 52-10--3-2. I was told that the deferral was low pneumatics for 1-L door; but deferral did not indicate door as inoperative. This deferral is problematic in that there is confusion as to if extra life rafts were needed for extended over water flight. The door was not considered inoperative. Next day we found out next crew questioned the MEL and logged this information and was told legal to fly. We did not log who we talked to. Next flight did air turn back due to legality per Maintenance Control. Subsequently have found that this MEL has been looked into and an MEL revision will be out in about 6 months. This item should be flagged as problematic to avoid confusion until revision issued.
Data retrieved from NASA's ASRS site as of April 2012 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.