Service difficulty report · Wire Harness · Cessna 650

Difficulty date
February 22, 2011
Submitted
September 14, 2015
Operation
General aviation
Make and model
Cessna 650
Aircraft time
7,390 hours
Engine
Garrtt TFE7313B
Part
Wire Harness
Condition
Chafed
Location
Ram Air Inlet
Part time
7,427 hours
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) LEFT STABILIZER ANTI-ICE FAILED, TURNED IT OFF THEN ON, WORKS FINE. THEN RT STABILIZER ANTI-ICE FAILED, CB OPENED AND RESET IT, AND IT POPPED AGAIN. FOUND STABILIZER ANTI-ICE WIRE BUNDLE CHAFING AT THE BACK OF THE RAM AIR INLET DUCT. WIRING REPAIRED AND RETURNED TO SERVICE. THIS AREA IS NOT NORMALLY ACCESSED FOR INSPECTION AS THE RAM AIR INLET NEEDED TO BE DE-RIVETED TO FIND/REPAIR THE CHAFING WIRING. ALSO THE WIRING RUNS THRU A "V" WHICH MAY HAVE CUT THE PROTECTIVE COVERING AND CHAFED THE WIRE. THE WIRE BUNDLE WAS SECURED, AWAY FROM THAT AREA FOLLOWING THE REPAIR.

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