What was found
AFTER LANDING APU WOULD NOT START, FAULT LIGHT CAME ON. ACFT GROUNDED. REMOVED & REPLACED APU EXCITER, IGNITION UNIT IAW AMM 49-41-31. OPS CHECKED NORMAL.
- Difficulty date
- November 16, 2017
- Submitted
- November 20, 2017
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 18,696 hours, 6,089 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.