Service difficulty report · Thru Bolt · Univar 1081

Difficulty date
March 19, 2017
Submitted
September 25, 2017
Operation
General aviation
Aircraft
N8963K
Make and model
Univar 1081
Aircraft serial
1081963
Aircraft time
2,463 hours
Engine
Frnkln 6A4165B3
Engine time
2,983 hours
Part
Thru Bolt
Part number
19725
Condition
Sheared
Location
Upper Crankcase
Part time
2,983 hours
Component
Crankcase · Frnkln · 6A4165B3
Component part number
18925
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

CENTER TWO THROUGH-BOLTS ON ENGINE CRANKCASE SHEARED AND ENGINE LOST 4.5 QTS OF OIL INFLIGHT.