What was found
DURING PREP FOR TOW FOUND #2 ENG MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN DRIPPING FUEL. GROUNDED - YES. REMOVED AND REPLACED OIL/FUEL HEAT EXCHANGER AND SERVO FUEL HEATER. REF B737-900 AMM 79-21-02 AND 73-11-07. OPS & LK CHECK GOOD.
- Difficulty date
- November 17, 2021
- Submitted
- December 1, 2021
- Operation
- Air carrier
- Aircraft
- N457AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36355
- Aircraft time
- 28,317 hours, 9,108 cycles
- System (JASC)
- 7920 · Engine Oil Distribution (Airframe Furnished)
- Part
- Exchanger
- Part number
- 453328039
- Part serial
- YB044055
- Condition
- Inoperative
- Location
- Nr 2 Eng
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.