Service difficulty report · Sleeve · Boeing 75733N

Difficulty date
September 4, 2017
Submitted
September 5, 2017
Operation
Air carrier
Aircraft
N77865
Make and model
Boeing 75733N
Aircraft serial
32589
Aircraft time
51,690 hours, 14,886 cycles
Part
Sleeve
Part number
LK74596
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

LEFT ENG OIL PRESSURE LIGHT AND LOW LEFT ENG OIL PRESSURE. OIL QTY ZERO. SHUTDOWN LEFT ENG. EMERGENCY DECLARED. FOUND OIL PRESS LINE THAT FEEDS INTERMEDIATE BEARING LEAKING OUT FROM BEHIND SLEEVE AREA. REPLACED LEFT SIDE ENG IP/LP TURBINE OIL TUBE AND TUBE SLEEVE. SERVICED OIL TO PROPER LEVEL USED TOTAL OF 27 QTS OF OIL DURING THE OPERATION OF RUN UP. RUN UP ENGINE TO POWER FOR TOTAL OF 65 MINUTES, NO LEAK FOUND, ENGINE OIL QTY WAS STEADY BETWEEN 20 AND 21 QTS. DURING THE COMPLETE ENGINE OPERATION.

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