SDR 96ZZZX2483

Service difficulty report · Gear · Beech 1900C

Difficulty date
March 16, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N160YV
Make and model
Beech 1900C
Aircraft serial
UC160
Engine
Pwa PT6A65B
Part
Gear
Part number
3024502CL9
Condition
Making Metal
Location
2nd Stage
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

THE POWER SECTION AND GAS GENERATOR WOULD NOT ROTATE AT TIME OF DISASSEMBLY. THE CHIP DETECTOR AND AGB HAD BRONZE METAL PIECES. WHEN THE MODULES WERE SEPARATED THERE WAS A HEAVY SMELL OF HYDRAULIC FLUID COMING FROM THE OIL THAT WAS DRAINED FROM THE MODULES. WHEN THE RGB HOUSING WAS SPLIT, IT WAS FULL OF BRONZE METAL PARTICLES THAT CAME FROM THE PLANET GEAR SLEEVE BUSHINGS ON THE NR 2 CARRIER ASSY. THE GAS GENERATOR PROBLEMS WERE FOUND TO BE SECONDARY DAMAGE RELATED. OIL SAMPLES SENT IN FOR ANALYSIS.

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