Service difficulty report · Shutoff Valve · Boeing 7378H4

Difficulty date
May 25, 2025
Submitted
May 29, 2025
Operation
Air carrier
Aircraft
N8603F
Make and model
Boeing 7378H4
Aircraft serial
38875
Aircraft time
43,641 hours, 20,505 cycles
Part
Shutoff Valve
Condition
Failed
Location
Rt Wing
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

RT WING FUEL AUTO SHUT OFF VALVE FAIL TO CLOSE. NO 30DH <[01]. OK TO CONTINUE PER MEL 28-10-03. SP1 & SP1B C/W; [02] PERFORMED OPS CK OF #2 FUEL TANK FUELING SHUT OFF VALVE IAW AMM 28-21-51 AND PERFORMED TEST OF #2 FUEL TANK FLOAT SWITCH IAW FIM TASK 28-21 TASK 801. ALL TESTS PASSED. NO FAULTS FOUND.

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