What was found
APU WILL NOT CARRY PNEUMATIC LOAD. PERFORMED APU BITE IAW FIM 4960-TASK 801 APU FAULTED 49-31171, FCU DISAGREES WITH COMMAND. C/W FIM 49-31-00-810-808 THROUGH F(1)(E) 1, NO FAULTS FOUND.
- Difficulty date
- July 8, 2012
- Submitted
- July 10, 2012
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 21,530 hours, 6,685 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Malfunctioned
- 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.