Service difficulty report · Check Valve · Doug MD11F

Difficulty date
October 16, 2014
Submitted
October 27, 2014
Operation
Air carrier
Aircraft
N572FE
Make and model
Doug MD11F
Aircraft serial
48755
Aircraft time
59,425 hours, 11,453 cycles
Engine
Ge CF680C2D1F
Engine time
1,602 hours, 522 cycles
Part
Check Valve
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
Y
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER LANDING, AT IDLE NR 2 ENGINE SHUTDOWN. REMOVED LOW PRESSURE BLEED AIR CHECK VALVE FOR INSPECTION IAW MM 36-11-01-6, FOUND ONE FLAPPER HINGE STIFF AND LOWER BEARING CAP LOOSE. REPLACED NR 2 ENGINE LOW PRESSURE CHECK VALVE.

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