Service difficulty report · Bolt · Bell 412

Difficulty date
October 8, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N5759N
Make and model
Bell 412
Aircraft serial
33002
Engine
Pwa PT6T3B
Part
Bolt
Part number
3017600
Condition
Stripped
Location
Grbox Oil Pump
Part time
9,333 hours
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

POWER SECTION OIL PUMP BOLT THREADS STRIPPED OUT OF GEARBOX AND EXCESSIVE CHAFING ON GEARBOX.

More about the Bell 412