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A B747-400 on takeoff climb diverted due to EICAS door warning and unable to pressurize aircraft. Dumped fuel. Found aft cargo door unlocked.
| Attributes | |
| ACN | 606806 |
| Time | |
| Date | 200401 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzzz.airport |
| State Reference | FO |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : zzzz |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : relief pilot |
| Experience | flight time last 90 days : 80 flight time total : 15000 flight time type : 7000 |
| ASRS Report | 606806 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : eicas cargo door warning other flight crewa other flight crewb other other : relief plt |
| Resolutory Action | flight crew : landed as precaution flight crew : diverted to another airport |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Maintenance Human Performance Company Aircraft |
| Primary Problem | Company |
Narrative:
Got aft cargo door EICAS message on or shortly after rotation, confirmed by no pressurization. Performed book procedures dumping/burning 200000 pounds of fuel and returned to ZZZZ, first officer. Landed at about 628000 pounds. Lead mechanic reported door handle was up on arrival. Maintenance performed routine tests and checks. Airplane refueled and redispatched to ZZZ, us. Second attempt was routine.
Original NASA ASRS Text
Title: A B747-400 ON TKOF CLB DIVERTED DUE TO EICAS DOOR WARNING AND UNABLE TO PRESSURIZE ACFT. DUMPED FUEL. FOUND AFT CARGO DOOR UNLOCKED.
Narrative: GOT AFT CARGO DOOR EICAS MESSAGE ON OR SHORTLY AFTER ROTATION, CONFIRMED BY NO PRESSURIZATION. PERFORMED BOOK PROCS DUMPING/BURNING 200000 LBS OF FUEL AND RETURNED TO ZZZZ, FO. LANDED AT ABOUT 628000 LBS. LEAD MECH RPTED DOOR HANDLE WAS UP ON ARR. MAINT PERFORMED ROUTINE TESTS AND CHKS. AIRPLANE REFUELED AND REDISPATCHED TO ZZZ, US. SECOND ATTEMPT WAS ROUTINE.
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.