What was found
REF ASA T/C 78472000 DURING INSPECTION FOUND #1 ENG S/N 895405 OIL LEAKAGE AND COKE AT OIL SCAVENGE TUBE TO TRF INTERFACE. GROUNDED - YES. REMOVED AND REPLACED TURBINE REAR FRAME (TRF) OIL INLET COVER REF B737-800 AMM 72-56-00.
- Difficulty date
- February 18, 2023
- Submitted
- February 22, 2023
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 61,014 hours, 17,724 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Cover
- Part number
- 3360247040
- Condition
- Leaking
- Location
- Lpt Module
- 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.