What was found
AFTER LANDING WHEN ATTEMPTING TO START THE APU THE APU FAULT LIGHT ILLUMINATED . GROUNDED - YES. REPLACED APU IGNITION EXCITER BOX. REF B737-800 AMM 49-41-31. APU OPS NORMAL.
- Difficulty date
- April 25, 2022
- Submitted
- April 27, 2022
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 55,565 hours, 16,590 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880585
- Part serial
- 070218080378
- Condition
- Faulty
- Location
- Apu
- Part time
- 1,818 hours, 2,805 cycles
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.