SDR AU970066

Service difficulty report · Crankcase

Difficulty date
January 29, 1997
Submitted
March 26, 2000
Operation
General aviation
Engine
Cont IO520A
Part
Crankcase
Part number
1108414A
Condition
Cracked
Location
Engine Nose
Component
Cont · IO520A
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

(AUS) THE FOLLOWING DEFECTS WERE FOUND DURING ENGINE STRIP FOR OVERHAUL 1. CRANKCASE CRACKED IN NOSE AREA ADJACENT TO THROUGH STUDS 2. CRANKSHAFT CRACKED IN AREA AROUND FORWARD THRUST FACE3. STARTER SHAFT CRACKED4. OIL PUMP BODY AND GEARS WORN BEYOND LIMITS