What was found
APU CT5ATP TEMPERATURE CONTINUES TO BE ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. REMOVE APU FOR USE ON NONE ETOPS TAIL. GROUNDED - YES. REMOVED AND REPLACED APU REF AMM 49-11-00-400-803 OPS AND LEAK CHECK GOOD.
- Difficulty date
- June 29, 2019
- Submitted
- July 1, 2019
- Operation
- Air carrier
- Aircraft
- N518AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35693
- Aircraft time
- 39,555 hours, 11,766 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38007021
- Part serial
- P7212
- Condition
- Overtemp
- Location
- Apu Bay
- Part time
- 18,005 hours, 22,480 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- M
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.