Service difficulty report · Pump · Boeing 7673CB

Difficulty date
September 18, 2011
Submitted
September 22, 2011
Operation
Air carrier
Aircraft
N592HA
Make and model
Boeing 7673CB
Aircraft serial
33468
Aircraft time
32,612 hours, 6,139 cycles
Engine
Pwa PW4060
Part
Pump
Part number
50084376
Part serial
1464
Condition
Failed
Location
Rt Engine Oil
Part time
6,772 hours, 1,169 cycles
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

ETOPS SIGNIFICANT SYS - RT ENGINE OIL CONSUMPTION HIGH, 1 QUART PER HOUR, OIL PRESSURE NORMAL. IAW TSI 0008741 & HALM1128(0101270) OIL HIDING HAS BEEN CONFIRMED IN ENGINE, VIA ECM. OIL SERVICING & CONSUMPTION IS NORM. WORN SCAVAGE GEAR ON MAIN OIL PUMP ARE SUSPECT - IAW (PP ENGR) REPLACE NR 2 ENG MAIN OIL PUMP IAW AMM 79-21-04. RESERVICED OIL. GROUND RUNUP AND LK CK OK. OIL PRESS NORM IAW AMM. OK FOR SERV.

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