Service difficulty report · Thru Bolt · Cessna U206G

Difficulty date
November 26, 2002
Submitted
January 2, 2003
Operation
General aviation
Aircraft
N9815Z
Make and model
Cessna U206G
Aircraft serial
U20606678
Engine
Cont IO520F
Part
Thru Bolt
Part number
MDW100211
Condition
Undertorqued
Location
Alternator
Stage of operation
IN
How discovered
V
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 ALTERNATOR THROUGH BOLTS SECURING THE FRONT CASE HALF TO THE REAR CASE HALF WERE FOUND TO HAVE BACKED OUT, ALLOWING THE CASE HALVES TO SEPARATE APPROXIMATELY .1250 INCH. THE THROUGH BOLT RETAINERS AND SAFETY WIRE WERE STILL IN PLACE. THE ALTERNATOR HAD A MANUFACTURING DATE OF 02/00. THIS IS ONE OF TWO CONDITION REPORTS FILED FROM THIS REPAIR STATION WITH THE SAME DEFICIENCY AND MANUFACTURING DATE. IT IS SUSPECTED THAT THE CASE HALF THROUGH BOLTS WERE NOT TORQUED TO THE PROPER SPECIFICATION.

More about the Cessna U206G