Service difficulty report · Commutator · Beech 300BEECH

Difficulty date
July 15, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Beech 300BEECH
Aircraft time
16,327 hours
Engine
Pwa PT6A60A
Propeller
Hartzl HCB4MP3
Part
Commutator
Condition
Failed
Location
Starter Gen
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) IN CRUISE, NR 1, DC GENERATOR, CAUTION LIGHT ILLUMINATED. ON INVESTIGATION FOUND THAT STARTER/GENERATOR WAS HARD TO TURN. THIS UNIT WAS JUST O/H 11.9 TSO AND O/H FACILITY CONFIRMED THAT 1 BAR OF THE COMMUTATOR LIFTED.