What was found
ON TAXI IN, STARTED APU, RECEIVED "FAULT " LIGHT. GROUNDED - YES. REF FIM 49-40 TASK 802, REMOVED AND REPLACED APU IGNITION UNIT PER AMM 49-41-31. ACCOMPLISHED MULTIPLE APU STARTS, NO DEFECTS NOTED. CURRENT STATUS SHOWS NO FAULTS.
- Difficulty date
- November 21, 2018
- Submitted
- November 27, 2018
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 38,272 hours, 11,329 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Ignition Unit
- Part number
- 38880587
- Part serial
- 111147
- Condition
- Failed
- Location
- Apu
- Part time
- 1,530 hours, 2,838 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.