Service difficulty report · Valve · Boeing 737823

Difficulty date
September 13, 2024
Submitted
October 2, 2024
Operation
Air carrier
Aircraft
N973NN
Make and model
Boeing 737823
Aircraft serial
31219
Aircraft time
27,555 hours, 11,669 cycles
Part
Valve
Part number
MA30A1017
Part serial
AA525098
Condition
Faulty
Location
Fuel System
Part time
512,654 hours, 505,651 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS NOT GROUNDED: DURING CRUISE ATTEMPTING TO BALANCE FUEL CROSS FEED VALVE IN OPEN POSITION, HOWEVER CROSS FEED VALVE OPEN LIGHT REMAINS ON BRIGHT BLUE INDICATING VALVE IS STILL IN TRANSIT OR VALVE POSITION AND CROSS FEED SELECTOR DISAGREE. CLOSED VALVE AND LIGHT EXTINGUISHED INDICATING VALVE CLOSED. DID NOT ATTEMPT TO BALANCE FUEL FURTHER. **SUPPLEMENTAL REPORT FOR (AALA202409176885): REMOVE AND REPLACED CROSSFEED VALVE ACTUATOR. PER AMM 28-22-21**(CLOSED).