What was found
APU VALVE FAILED TO OPEN FULLY. DUCT PRESSURE ONLY 5 PSI WITH BLEED SWITCH SELECTED OPEN. REPLACED APU AIR SUPPLY SHUTOFF VALVE. OPS CKS NORMAL.
- Difficulty date
- August 31, 2010
- Submitted
- September 3, 2010
- Operation
- Air carrier
- Aircraft
- N677UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30029
- Aircraft time
- 32,900 hours, 8,301 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 2780540102
- Part serial
- 61
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.