- Difficulty date
- July 19, 2014
- Submitted
- July 22, 2014
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35693
- Aircraft time
- 21,036 hours, 6,297 cycles
- Part
- Heater
- Part number
- 457311382
- Part serial
- YB01895121
- Condition
- Leaking
- Location
- Nr 1 Engine Fuel
- Part time
- 33,835 hours, 10,761 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
NR 1 ENGINE FUEL HEATER, SERVO, UPPER GASKET AT FWD LT CORNER LEAKING FUEL, ACTIVE SPRAY. ACFT GROUNDED. REMOVED NR 1 ENGINE FUEL HEATER SERVO. INSTALLED NEW FUEL HEATER SERVO IAW AMM 73-11-07-400-801-F00 UP TO PAR 3(3) STEP (E). COMPLETED SERVO HEATER INSTALLATION & SYSTEM REACTIVATION I.A.W. MM 73-11-07-400-801-F00. SERVO HEATER GROUND VERIFICATION INSTALLATION TEST SUCCESSFUL IAW MM 71-00-00-800-811-F00, TABLE 502.