Service difficulty report · Shutoff Valve · Boeing 7379

Difficulty date
August 9, 2022
Submitted
August 11, 2022
Operation
Air carrier
Aircraft
N919AK
Make and model
Boeing 7379
Aircraft serial
44087
Aircraft time
4,622 hours, 1,448 cycles
Part
Shutoff Valve
Part number
632920682
Part serial
1672
Condition
Damaged
Location
#1 Engine
Part time
3,628 hours, 998 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

WHILE LOCKING CLOSED THE HPSOV BOLT BROKE OFF. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE HPSOV REF B737-9 AMM 36-11-07.

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