SDR AMWA88346

Service difficulty report · Oil System · Beech 1900D

Difficulty date
November 1, 2007
Submitted
February 5, 2008
Operation
Air carrier
Aircraft
N161YV
Make and model
Beech 1900D
Aircraft serial
UE161
Aircraft time
21,172 hours, 39,937 cycles
Engine
Pwa PT6*
Part
Oil System
Condition
Low Pressure
Location
Rt Engine
Part time
20,945 hours, 17,427 cycles
Stage of operation
DE
How discovered
O
Nature of condition
B
Precautionary procedure
E

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

What was found

DURING DESCENT, CREW NOTICED SMOKE IN CABIN AND COCKPIT AND LOSS OF RT ENGINE OIL PRESSURE. ENGINE SHUTDOWN WITHOUT CREW ACTION, CREW DIVERTED AC AND LANDED AC WITHOUT FURTHER INCIDENT. TEARDOWN AT MFG FOUND POWER SECTION S/N 114135 (TSO 6501.1) OIL NOZZLE FOR NR 3 AND NR 4 BEARINGS COKED. PROBABLE CONTRIBUTING FACTORS NOTED BY MFG WERE INCOMPLETE, CLEANING OF OIL JET LUBRICATING TUBE DURING LAST OVERHAUL AND HIGH BEARING COMPARTMENT TEMP OF NOZZLE.

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