What was found
NO APU DUCT PRESSURE. REPLACED APU ASSY, OPS TEST GOOD. NO LEAKS.
- Difficulty date
- November 8, 2012
- Submitted
- November 9, 2012
- Operation
- Air carrier
- Aircraft
- N178UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24385
- Aircraft time
- 91,861 hours, 11,060 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Malfunctioned
- 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.