SDR Z3O2009F00000

Service difficulty report · Scavenge Pump · Cessna 550

Difficulty date: November 15, 2009
Submitted: December 11, 2009
Operation: Air carrier
Aircraft: N120JP
Make and model: Cessna 550
Aircraft serial: 5500468
Engine: Pwa JT15D4
System (JASC): 7261 · Turbine Engine Oil System
Part: Scavenge Pump
Part number: 310426801
Condition: Inoperative
Location: Lt Engine
Part time: 219 hours
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

WHILE TAXIING FOR TAKEOFF, THE LT ENGINE LOST OIL PRESSURE AND SMOKE WAS COMING OUT EXHAUST, SHUT ENGINE DOWN BEFORE THE PSI DROPPED BELOW 40 PSI. INSPECTED ENGINE AND FOUND OIL PUMP/SCAVANGE PUMP (PN 310426801, SN OP0764) INOPERATIVE, INSTALLED O/H PUMP (PN 3104268, SN OP1054). OPS CHECK WAS GOOD.

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