Service difficulty report · Valve · Boeing 7673BG

Difficulty date
July 4, 2025
Submitted
August 1, 2025
Operation
Air carrier
Aircraft
N566NC
Make and model
Boeing 7673BG
Aircraft serial
30566
Aircraft time
78,361 hours, 20,248 cycles
Part
Valve
Condition
Faulted
Location
Zone 100
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

FOUND RT LOW LIMIT VALVE TORQUE MOTOR TEST FAILED. (CAN NOT TO MOVE TO OPEN.) REMOVED AND REPLACED RT LOW LIMIT VALVE AND CARRIED OUT LEAK TEST IAW AMM 21-51-11 REV 145, NO LEAK.

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