Service difficulty report · Resistor · Beech A100

Difficulty date
June 30, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Beech A100
Aircraft time
25,415 hours
Engine
Pwa PT6A34
Part
Resistor
Part number
361226
Condition
Burned
Location
Cockpit
Part time
31,063 hours
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

(CAN) EARLY IN THE INVESTIGATION OF THIS INCIDENT, IT WAS DECIDED THAT THIS DID NOT MEET THE REQUIREMENTS NECESSARY TO SUBMIT AN SDR, HOWEVER WE HAVE CHOSEN TO SUBMIT IT. THREE MINUTES AFTER REACHING CRUSE ALTITUDE (14000 FT), AN ELECTRICAL FIRE ODOR WAS NOTICED IN THE COCKPIT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DEPARTURE AIRPORT WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND A BURNT RESISTOR (PART NUMBER 361226) IN THE OVERHEAD PANEL RESISTOR CLUSTER. THE BURNT RESISTOR IS PART OF THE ENGINE INSTRUMENT PANEL LIGHTING SYSTEM. THE RESISTOR WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.

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