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Following the failure of the center hydraulic system demand pump the flight crew of a B767-300 on an ETOPS flight was advised they were good to continue the ETOPS operation. They later discovered maintenance/dispatch had not provided them with detailed information on the MEL considerations for ETOPS operations; some of which might have affected their decision to continue the flight.
| Attributes | |
| ACN | 964967 |
| Time | |
| Date | 201108 |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Hydraulic System Pump |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 220 Flight Crew Total 15700 Flight Crew Type 6600 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
Shortly after takeoff the center hydraulic demand pump failed after we put the gear up. We followed the checklist and wrote it up. The captain then sent a message to maintenance control and asked if there were any more maintenance or etops dispatch considerations. After getting no reply; we asked dispatch to ask control. We then got back; '...as long as both engine generators and the APU generator were working we were good to go'. So we continued on our 138 minute etops. Later in the flight the captain asked control for the MEL item info and found out that they contained a lot of relevant information that we would've liked to know about. This info could have been useful and should have been provided prior to etops entry for our consideration.
Original NASA ASRS Text
Title: Following the failure of the center hydraulic system demand pump the flight crew of a B767-300 on an ETOPS flight was advised they were good to continue the ETOPS operation. They later discovered Maintenance/Dispatch had not provided them with detailed information on the MEL considerations for ETOPS operations; some of which might have affected their decision to continue the flight.
Narrative: Shortly after takeoff the center hydraulic demand pump failed after we put the gear up. We followed the checklist and wrote it up. The Captain then sent a message to Maintenance Control and asked if there were any more maintenance or ETOPs dispatch considerations. After getting no reply; we asked Dispatch to ask Control. We then got back; '...as long as both engine generators and the APU generator were working we were good to go'. So we continued on our 138 minute ETOPs. Later in the flight the Captain asked Control for the MEL item info and found out that they contained a lot of relevant information that we would've liked to know about. This info could have been useful and should have been provided prior to ETOPs entry for our consideration.
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.