Service difficulty report · Valve · Boeing 7379

Difficulty date
January 27, 2023
Submitted
January 31, 2023
Operation
Air carrier
Aircraft
N971AK
Make and model
Boeing 7379
Aircraft serial
43339
Aircraft time
3,755 hours, 1,079 cycles
Part
Valve
Part number
632920703
Part serial
1502
Condition
Locked
Location
Nr 2 Engine
Part time
3,786 hours, 1,099 cycles
Stage of operation
LD
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

MAINT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. FOUND ACTIVE FAULT 36-12021 "ENGINE 2 FAMV IS NOT IN COMMAND POSITION". REMOVED AND REPLACED THE FAMV PER B737-9 AMM 36-12-03-400-801. OPS CHECK 36-00-00-730-801 FAILED. AFTER FURTHER INVESTIGATION FOUND THE NEW VALVE TO BE LOCKED. UNLOCKED VALVE. ALL OPERATIONAL CHECKS GOOD PER AMM 36-12-03-400-801. NO ACTIVE FAULTS PRESSENT, "MAINT" LIGHT EXTINGUISHED.GROUND VERIFICATION GOOD. SEAMC PAT NOTIFIED.

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