Service difficulty report · Heat Exchanger · Boeing 737990ER
FAA SDR system
- Difficulty date
- November 13, 2019
- Submitted
- November 19, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 23,990 hours, 7,781 cycles
- Engine
- Cfmint CFM567B27E
- Part
- Heat Exchanger
- Part number
- 457311382
- Part serial
- EM165181
- Condition
- Leaking
- Location
- Nr 2 Eng Oil
- Part time
- 23,934 hours, 7,761 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE LEAKING FUEL. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURE USED CHAPTER 5 TABLE 3 ITEM 8. REMOVED AND REPLACED #2 ENG MAIN OIL/FUEL HEAT EXCHANGER AND SERVO FUEL REF B737-900 AMM 79-21-02-400-801-F00 & AMM 73-11-07-400-801-F00. TEST 3A PASSED NO LK'S NOTED GROUND VERIFICATION CK'S GOOD. ALTERNATE DEACTIVATION PROCEDURE REVERSED CLEARED PLT.