What was found
FAULT ON APU START. 2 ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED APU EXCITER PER AMM 49-41-31-400-801 AND 49-41-31-00-801. OPS CHECK GOOD.
- Difficulty date
- September 23, 2019
- Submitted
- September 25, 2019
- Operation
- Air carrier
- Aircraft
- N535AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 33,929 hours, 9,824 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880585
- Part serial
- 030218037319
- Condition
- Inoperative
- Location
- Apu
- Part time
- 3,415 hours, 6,178 cycles
- 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.