What was found
APU FAULT LIGHT AFTER LANDING UPON START UP. ACFT GROUNDED. PERFORMED FIM 49-40, TASK 802, REPLACED APU IGNITION UNIT IAW AMM 49-41-31. APU STARTS AND OPERATES NORMALLY, NO FAULT INDICATED.
- Difficulty date
- February 18, 2016
- Submitted
- February 22, 2016
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 34,425 hours, 10,280 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 076971101072
- Condition
- Failed
- Location
- Apu
- Part time
- 6,375 hours, 11,873 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.