Service difficulty report · Heat Exchanger · Boeing 737990ER
FAA SDR system
- Difficulty date
- April 6, 2021
- Submitted
- April 12, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 28,205 hours, 9,003 cycles
- Engine
- Cfmint CFM567B27E
- Part
- Heat Exchanger
- Part number
- 453328039
- Part serial
- YB043669
- Condition
- Leaking
- Location
- Nr 2 Engine
- Part time
- 28,248 hours, 9,015 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.
What was found
FUEL DRIPPING FROM UNDERSIDE OF ENGINE #2. GROUNDED - YES. FOUND FUEL LEAK COMING FROM MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN APPROX <60 DPM, LESS THAN SERVICEABLE LIMIT, REF B737-900 AMM 71-71-00-200-801 FIG 605. REMOVED AND REPLACED #2 ENGINE OIL/FUEL HEAT EXCHANGER REF AMM 79-21-02-000-801-F00 AND AMM 79-21-02-400-801-F00. IDLE LEAK CHECK GOOD.