What was found
NR 2 ENGINE REQUIRES DEFERRAL FOR FUEL/OIL HEAT EXCHANGER DRAIN FUEL LEAK AT 6 DPM. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE FUEL/OIL HEAT EXCHANGER, REF B737-900 AMM 79-21-02/401. LEAK CHECK GOOD.
- Difficulty date
- November 14, 2020
- Submitted
- November 21, 2020
- Operation
- Air carrier
- Aircraft
- N467AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 24,322 hours, 7,919 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7311 · Engine Fuel/Oil Cooler
- Part
- Heater
- Part number
- 453328039
- Part serial
- YB043815
- Condition
- Leaking
- Location
- Nr 2 Fuel/Oil
- Part time
- 26,431 hours, 8,564 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.