What was found
TRIED TO START APU FAULT LIGHT ON. FAULT CODE 49-41011. ACFT GROUNDED. REMOVED APU IGNITION UNIT IAW MM 49-41-31-000-801. INSTALLED NEW APU IGNITION UNIT IAW MM 49-41-31-400-801. APU OPS CHECKED OK. COMPLETED MM 49-41-31-400-801.
- Difficulty date
- January 18, 2015
- Submitted
- January 21, 2015
- Operation
- Air carrier
- Aircraft
- N588AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35685
- Aircraft time
- 27,594 hours, 8,442 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 086971100783
- Condition
- Failed
- Location
- Apu
- Part time
- 5,827 hours, 10,678 cycles
- Stage of operation
- TX
- 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.