SDR AU970275

Service difficulty report · Saddle

Difficulty date
March 18, 1997
Submitted
March 26, 2000
Operation
General aviation
Engine
Cont IO520F
Part
Saddle
Part number
2400925R
Condition
Fretted
Location
Recip Eng Main
Component
Cont · IO520F
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) AT ENGINE OVERHAUL THE FOLLOWING WAS FOUND: 1. CRANKCASE MAIN BEARING SADDLE EVIDENCE OF FRETTING AND NO4 CAMTUNNEL SCORED 2. CAMSHAFT WAS INSPECTED USING MPI AND CRACKS WERE FOUND ON TWO LOBES. ENGINE WAS FROM A PNG REGISTERED AIRCRAFT