SDR 98ZZZX2259

Service difficulty report · Governor · Cessna 208B

Difficulty date
June 5, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N9762B
Make and model
Cessna 208B
Aircraft serial
208B0109
Engine
Pwa PT6A114
Part
Governor
Part number
D210507
Condition
Failed
Location
Engine
Part time
5,992 hours
Component
Woodward
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

DURING ENGINE CHANGE, OVERSPEED GOVERNOR WAS TRANSFERRED FROM ENGINE DUE OVERHAUL TO LOANER ENGINE. AFTER INSTALL ON LOANER ENGINE, PR0P SHAFT WOULD NOT ROTATE. UPON REMOVAL OF OVERSPEED GOVERNOR, SMALL BALL BEARING CAME OUT OF GOVERNOR OIL PORT. FLUSHED RGB AND FOUND FIVE BALL BEARINGS, FOUND TWO MORE INSIDE GOVERNOR AFTER DISASSEMBLY OF GOVERNOR. FOUND BEARING CAGE AND OUTER RACE DAMAGED. ALL SEVEN BEARINGS WERE FOUND. REPLACED OVERSPEED GOVERNOR WITH OVERHAULED UNIT.

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