What was found
WHILE PERFORMING IDLE POWER LEAK CHECK ON #1 ENG FOUND FULE LEAK AT TOP BACK SIDE OF THE FUEL HEATER SERVO. GROUNDED - YES. REMOVED & REPLACED #1 ENG SERVO FUEL HEATER REF MM 73-11-07. LEAK CHECKED GOOD.
- Difficulty date
- August 24, 2023
- Submitted
- August 25, 2023
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 30,050 hours, 9,462 cycles
- System (JASC)
- 7310 · Engine Fuel Distribution
- Part
- Heater
- Part number
- 457311382
- Part serial
- YB053322
- Condition
- Leaking
- Location
- #1 Engine
- Part time
- 30,044 hours, 9,461 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.