Service difficulty report · Start Valve · Boeing 7673BG

Difficulty date
March 29, 2025
Submitted
April 3, 2025
Operation
Air carrier
Aircraft
N566NC
Make and model
Boeing 7673BG
Aircraft serial
30566
Aircraft time
77,650 hours, 19,988 cycles
Engine
Pwa PW4060
Engine time
2,116 hours, 849 cycles
Part
Start Valve
Part number
8113909
Part serial
01011164
Condition
Failed
Location
Zone 100
Part time
2,578 hours, 1,016 cycles
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

R STARTER CUTOUT EICAS MULTIPLE TIMES IN FLIGHT. REMOVED AND REPLACED RH ENGINE START VALVE IAW AMM 80-11-02

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