What was found
FOUND APU OIL COOLER LEAKING. GROUNDED - YES. REPLACED APU OIL COOLER PER B737-800 AMM 49-91-41. LEAK CHECK OK.
- Difficulty date
- July 13, 2021
- Submitted
- July 15, 2021
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 54,200 hours, 16,154 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cooler
- Part number
- 1605642
- Part serial
- 4034
- Condition
- Leaking
- Location
- Apu
- Part time
- 11,226 hours, 21,553 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.