What was found
APU FAILED TO START IN FLT. SHUTDOWN SHORTLY AFTER REACHING 100 PERCENT. DIFFERENTIAL PRESSURE SENSOR REPLACED.
- Difficulty date
- October 10, 2011
- Submitted
- October 27, 2011
- Operation
- Air carrier
- Aircraft
- N782UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26948
- Aircraft time
- 64,255 hours, 9,304 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Pressure Sensor
- Condition
- Failed
- Location
- Apu Bleed Sys
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.