What was found
WHLE PERFORMING TSR #TSR714852FOUND APU OIL COOLER LEAKING. GROUNDED - YES. REPLACED APU OIL COOLER. REF. AMM 49-91-41. INSTALLATION/LEAK CHECK GOOD. PLACARDS REMOVED. THIS CLEARS MEL 49-1B. SEAMC TODD NOTIFIED.
- Difficulty date
- August 30, 2023
- Submitted
- August 31, 2023
- Operation
- Air carrier
- Aircraft
- N536AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35203
- Aircraft time
- 41,993 hours, 12,091 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cooler
- Part number
- 1605642
- Part serial
- 8043
- Condition
- Leaking
- Location
- Apu
- Part time
- 7,774 hours, 12,254 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.