Service difficulty report · Start Valve · Boeing 767341

Difficulty date
September 12, 2025
Submitted
September 14, 2025
Operation
Air carrier
Aircraft
N760CK
Make and model
Boeing 767341
Aircraft serial
24753
Aircraft time
94,050 hours, 27,274 cycles
Part
Start Valve
Condition
Faulted
Location
Lt Engine
Stage of operation
TX
How discovered
O
Nature of condition
S
Precautionary procedure
D

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

What was found

ON TAXI OUT STARTING LH ENGINE LEFT ENGINE START VALVE WOULD NOT OPEN AC RETURNED TO GATE (BTB) MTX GROUNDED AC. MTC CYCLED LT ENG START VALVE OPS NORMAL IAW B767 AMM 80-11-02 A/C REMAINS NO ETOPS AND RETURNED AC TO SERVICE.