What was found
APU QUIT ON PUSHBACK. REPLACED APU LOW OIL PRESS SWITCH IAW MM49 94 22, NO HELP. REPLACED APU ECU IAW MM 49 61 12, NO HELP. RE-INSTALLED ORIGINAL PART. REMOVED AND REPLACED APU PER T/C 78349010. OPS CHECK NORMAL. A/C OK FOR SERVICE.
- Difficulty date
- December 31, 2011
- Submitted
- January 3, 2012
- Operation
- Air carrier
- Aircraft
- N569AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 18,281 hours, 5,955 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38007021
- Part serial
- P7388
- Condition
- Failed
- Location
- Apu Bay
- Part time
- 7,676 hours, 9,137 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.