Service difficulty report · Oil System · Boeing 7673Y0

Difficulty date
January 6, 2011
Submitted
March 15, 2011
Operation
Air carrier
Make and model
Boeing 7673Y0
Aircraft time
73,565 hours
Engine
Pwa PW4056
Part
Oil System
Condition
Leaking
Location
Engine
Part time
52,044 hours
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
E

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

What was found

NR 2 ENGINE WAS SHUT DOWN DUE TO OIL QUANTITY LOSS AND PRESSURE DROP. PRELIMINARY INSPECTION OF THE ENGINE ON THE GROUND INDICATES AN INTERNAL OIL LEAK. THE TURBINE SECTION OF THE ENGINE WAS SOAKED WITH ENGINE OIL. OIL POOLING WAS ALSO EVIDENT IN THE TAIL SECTION. THE ENGINE OIL FILTER WAS PULLED AND INSPECTED WITH NO EVIDENCE OF CONTAMINATION. THE GEAR BOX MAGNETIC CHIP DETECTOR WAS ALSO CHECKED AND FOUND CLEAN. THE ENGINE WAS REPLACED. ENGINE OVERHAUL STRIP REPORT REQUESTED.

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