SDR CA110411002

Service difficulty report · Pump · Boeing 7673Y0

Difficulty date: April 10, 2011
Submitted: September 14, 2015
Operation: General aviation
Make and model: Boeing 7673Y0
Aircraft time: 73,565 hours
Engine: Pwa PW4060
System (JASC): 7261 · Turbine Engine Oil System
Part: Pump
Condition: Seized
Location: Lt Engine
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: E, A

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

What was found

(CAN) IN CRUISE, CREW SHUTDOWN LT ENG DUE TO LOW OIL PRESS & RISING OIL TEMP. OIL TEMP WAS RISING 1 DEGREE EVERY 10 SECONDS, OIL TEMP REACHED 131 DEGREES ON LT ENG. LT ENG SHUTDOWN A SCAV. TEMP 1 & 2 ON STATUS PAGE. FLIGHT COMPLETED DRIFT DOWN TO FL 240 & PROCEEDED TO DIVERSIONARY AIRPORT. OIL PUMP SEIZED STOPPING OIL FLOW, NOT SURE IF PUMP FAILURE OR DEBRIS WAS INGESTED. JAMMED PUMP, PUMP IN SHOP FOR TEARDOWN & INVESTIGATION.

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