What was found
APU CT5ATP TEMPERATURE IS ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. GROUNDED - YES. REMOVED APU PER B737-900 AMM 49-11-00-000-803. INSTALLED REPLACEMENT APU PER AMM REF 49-11-00-400-803.
- Difficulty date
- November 10, 2022
- Submitted
- November 14, 2022
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 26,619 hours, 8,372 cycles
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Egt Indication
- Condition
- Illuminated
- Location
- Apu
- Part time
- 8,439 hours, 15,464 cycles
- Stage of operation
- NR
- 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.