Service difficulty report · Regulator · Piper PA31T

Difficulty date
March 7, 2005
Submitted
April 1, 2005
Operation
General aviation
Make and model
Piper PA31T
Aircraft time
19,591 hours
Engine
Pwa PT6A28
Propeller
Hartzl HCB3TN3
Part
Regulator
Part number
PA31T
Part serial
31T790045
Condition
Worn
Location
Dc System
Part time
19,726 hours, 22,246 cycles
Component
Dc Regulator · Piper · PA31T
Stage of operation
CL
How discovered
O
Nature of condition
H
Precautionary procedure
A

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

What was found

(CAN) DURING CLIMB OUT, THE RT GENERATOR FAILED AND THE AIRCRAFT RETURNED TO THE AIRPORT. A RUN UP WAS CARRIED OUT AND IT WAS DISCOVERED THAT THE LT GENERATOR ALSO DROPPED (OFFLINE) WHEN THE RT VOLTAGE REGULATOR CIRCUIT BREAKER IS PULLED AND RESET. THE SOCKETS IN THE VOLTAGE REGULATOR CONNECTOR PLUGS WERE FOUND TO BE SLIGHTLY WORN. SOCKETS WERE REPLACED, SATISFACTORY RUN UP AND A TEST FLIGHT WAS CARRIED OUT.

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