What was found
APU FAULT LIGHT ON TWO ATTEMPTS. ACFT GROUNDED. REPLACED IGNITION UNIT REF AMM 49-41-31-000-801 AS WELL AS IGNITER PLUG, REF AMM 49-41-51.
- Difficulty date
- November 24, 2015
- Submitted
- December 1, 2015
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 29,589 hours, 9,117 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 100055
- Condition
- Failed
- Location
- Apu
- Part time
- 5,201 hours, 8,096 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.