What was found
APU FAILED TO START. TROUBLE SHOT IAW FIM 49-11, REMOVED AND REPLACED ECU IAW AMM 49-61-03. OPS CHECK GOOD AT THIS TIME. (NOTE: OPENED A DMI 123422 IAW DDG 25-AP-01, OPTION C - FOR APU COLD SOAK START VERIFICATION)
- Difficulty date
- January 14, 2020
- Submitted
- January 15, 2020
- Operation
- Air carrier
- Aircraft
- N1181A
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26206
- Aircraft time
- 86,961 hours, 21,695 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 112232
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.