What was found
AFTER LANDING APU FAILED TO START, FAULT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED APU BITE. CURRENT FAULT SHOWS 49-41180. PERFORMED B737-800 FIM 49-40 TASK 804, NO FAULTS FOUND. NO CURRENT FAULTS PRESENT.
- Difficulty date
- May 12, 2021
- Submitted
- May 14, 2021
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 50,691 hours, 15,074 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Unknown
- Stage of operation
- LD
- 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.