What was found
APU GEN IS INOPERATIVE. REPLACED APB CONTACTOR . APU OPS CHECKED GOOD. SUSPECT AUX POWER BREAKER BURNED AND UNABLE TO HOLD SET POSITION. AC OK FOR SERVICE.
- Difficulty date
- October 18, 2007
- Submitted
- October 23, 2007
- Operation
- Air carrier
- Aircraft
- N787UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26939
- Aircraft time
- 45,770 hours, 7,091 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 2420 · AC Generation System
- Part
- Circuit Breaker
- Condition
- Burned
- Location
- Apu
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.