What was found
APU BLEED VALVE DID NOT OPEN LIGHT ON SWITCH DOESN'T SHOW THE DISAGREEMENT. PERFORMED BITE TEST OF APU FOUND ECU REPEATED FAULTS, REPLACED ECU PER AMM. OPS CHECK GOOD.
- Difficulty date
- March 18, 2012
- Submitted
- March 22, 2012
- Operation
- Air carrier
- Aircraft
- N666UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29238
- Aircraft time
- 49,536 hours, 13,268 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 50
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.