What was found
APU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. REPLACED APU ASSEMBLY IAW AMM.
- Difficulty date
- September 19, 2013
- Submitted
- September 23, 2013
- Operation
- Air carrier
- Aircraft
- N218UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30222
- Aircraft time
- 53,189 hours, 6,450 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 331500B
- Part serial
- P1329331
- Condition
- Faulty
- Location
- Apu Bay
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.