Service difficulty report · Start Valve · Boeing 7673S1

Difficulty date
February 9, 2018
Submitted
February 12, 2018
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
84,795 hours, 18,010 cycles
Part
Start Valve
Part number
32911723
Part serial
504C
Condition
Failed
Location
Lt Engine
Stage of operation
TX
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

AFTER LEFT ENGINE START, A LT STARTER CUTOUT CAUTION MESSAGE ACTIVATED. REMOVED AND REPLACED LEFT ENGINE START VALVE IAW AMM 80-11-02 AND PERFORMED DRY MOTOR TEST IAW AMM 71-00-00. OPS CHECKED NORMAL.

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