What was found
APU INOPERATIVE. PERFORMED APU BITE PER FIM 49-11 FT 958, FOUND NO FAULTS. APU STARTED AND OPERATED NORMAL IAW AMM 49-11-00-802-002. REMOVED AND REPLACED APU CONTROL UNIT (ECU) IAW AMM 49-61-05. OPS AND BITE CHECK GOOD AT THIS TIME.
- Difficulty date
- September 29, 2019
- Submitted
- October 2, 2019
- Operation
- Air carrier
- Aircraft
- N1181A
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26206
- Aircraft time
- 86,299 hours, 21,447 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 59B0099
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.