What was found
FOUND FUEL LEAK ON #1 ENG AT GASKET BETWEEN FUEL-OIL HEAT EXCHANGER AND FUEL PUMP. GROUNDED - YES. REMOVED AND REPLACED THE MAIN OIL/FUEL HEAT EXCHANGER AND TORQUED ATTACHING HARDWARE REF B737-800 AMM 79-21-02/401 LEAK CK GOOD.
- Difficulty date
- February 17, 2020
- Submitted
- February 20, 2020
- Operation
- Air carrier
- Aircraft
- N568AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35183
- Aircraft time
- 49,819 hours, 14,985 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7311 · Engine Fuel/Oil Cooler
- Part
- Heat Exchanger
- Part number
- 453328039
- Part serial
- YB030712
- Condition
- Leaking
- Location
- Nr 1 Fuel
- Part time
- 42,636 hours, 12,461 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.