Service difficulty report · Oil Pump · Lkheed 10113851

Difficulty date
July 9, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N735D
Make and model
Lkheed 10113851
Aircraft serial
193C1226
Engine
Rroyce RB21122B
Part
Oil Pump
Part number
RB21122B02
Condition
Failed
Location
Nr 3 Engine
Component
727706605
Stage of operation
CR
Nature of condition
K, J
Precautionary procedure
A

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

What was found

NR 3 ENG LOSING OIL IN CRUISE. BROUGHT NR 3 ENG BACK TO IDLE. DIVERTED TO SLC. INSPECTED SCAVENGE AND MAIN OIL FILTERS, NO METAL FOUND. CKD ALL CHIP DETECTORS, NO METAL FOUND. SERVICED AND RAN ENG TO TAKEOFF PWR. NO LEAKS NOTED, OIL PRESS AND QTY STABLE. REPLACED ENGINE OIL PUMP.