What was found
WHILE ACCOMPLISHING LEAK CHECK PER ASA T/C 78424000 THE #1 ENGINE FUEL SERVO HEATER WAS LEAKING FUEL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FUEL SERVO HEATER. OPS CHECK GOOD. IAW B737-900 AMM 73-11-07.
- Difficulty date
- May 23, 2022
- Submitted
- May 24, 2022
- Operation
- Air carrier
- Aircraft
- N431AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 31,794 hours, 10,110 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7310 · Engine Fuel Distribution
- Part
- Servo
- Part number
- 457311382
- Part serial
- EM1624341
- Condition
- Leaking
- Location
- #1 Heater
- Part time
- 31,805 hours, 10,112 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.