Service difficulty report · Alternator · Cessna 208B

Difficulty date
September 17, 2003
Submitted
April 1, 2005
Operation
General aviation
Make and model
Cessna 208B
Aircraft time
3,693 hours
Engine
Pwa PT6A114A
Propeller
Mcauly 3GFR34C703
Part
Alternator
Part number
99105922
Part serial
A171391
Condition
Mismanufactured
Location
Engine
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

(CAN) WHILE ATTEMPTING TO REPLACE THE STAND-BY ALTERNATOR IT WAS DISCOVERED THAT THE ELECTRICAL CONNECTION WOULD NOT ENGAGE INTO THE SOCKET PROVIDED IN THE ALTERNATOR BECAUSE THE SOCKET WAS OVERFILLED WITH EPOXY RESIN. ATTEMPTS WERE MADE TO CLEAR THE EXCESS RESIN BUT IT WAS FEARED THAT DAMAGE TO THE ALTERNATOR WOULD RESULT. THE MFG HAS BEEN RECENTLY TAKEN OVER BY A NEW OWNER AND SINCE THIS TAKEOVER THIS IS THE SECOND TIME WE HAVE COME ACROSS THIS PROBLEM. THE UNIT WAS RETURNED TO THE VENDOR FOR REPLACEMENT.

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