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B767 flight crew experiences an altimeter failure during climb out and resets a tripped circuit breaker. Circuit breaker trips again and crew elects to dump fuel and return but fuel dump system faults. An emergency is declared and an over weight landing ensues.
| Attributes | |
| ACN | 952089 |
| Time | |
| Date | 201106 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Component | |
| Aircraft Component | Altimeter |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 200 Flight Crew Total 22500 Flight Crew Type 6800 |
| Person 2 | |
| Function | Dispatcher |
| Qualification | Dispatch Dispatcher |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Climbing through FL260 [we saw the] first officer's altimeter off flag in view. Talked to dispatch who connected [us] with maintenance control; decided to use emergency authority and reset circuit breaker for altimeter. Altimeter came back; but lasted only a few minutes before quitting again. Decided to return to our departure airport and dump fuel to maximum landing weight. Fuel dump system did not work; a fault light was on. Declared emergency and landed overweight at 350.0 pounds; had emergency equipment standing by. [We had a] normal landing.
Original NASA ASRS Text
Title: B767 flight crew experiences an altimeter failure during climb out and resets a tripped circuit breaker. Circuit breaker trips again and crew elects to dump fuel and return but fuel dump system faults. An emergency is declared and an over weight landing ensues.
Narrative: Climbing through FL260 [we saw the] First Officer's altimeter Off Flag in view. Talked to Dispatch who connected [us] with Maintenance Control; decided to use emergency authority and reset circuit breaker for altimeter. Altimeter came back; but lasted only a few minutes before quitting again. Decided to return to our departure airport and dump fuel to maximum landing weight. Fuel dump system did not work; a fault light was on. Declared emergency and landed overweight at 350.0 LBS; had emergency equipment standing by. [We had a] normal landing.
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.