What was found
APU FAILS TO START FAULT LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED APU IGNITER EXCITER BOX IAW AMM 49-41-31. OPS CHECKED GOOD.
- Difficulty date
- July 15, 2017
- Submitted
- July 25, 2017
- Operation
- Air carrier
- Aircraft
- N529AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 28,457 hours, 8,514 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 1016250400289
- Condition
- Faulted
- Location
- Apu
- Part time
- 7,168 hours, 13,139 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.