Service difficulty report · Feeder Cable · Beech C90A

Difficulty date
August 20, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Beech C90A
Aircraft time
3,792 hours
Engine
Pwa PT6A21
Part
Feeder Cable
Part number
K70A
Condition
Chafed
Location
Generator
Stage of operation
IN
How discovered
9
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) DURING A DAILY INSPECTION IT WAS NOTICED THAT THE RT ENGINE STARTER GENERATOR WIRING HARNESS WAS CHAFING AGAINST THE IGNITOR BOX. AFTER REMOVING THE HARNESS, DAMAGE WAS FOUND ON WIRE K70A, B AND C. FURTHER INVESTIGATION SHOWED AN INCORRECT CLAMP SIZE HOLDING THE WIRE HARNESS TO THE ENGINE MOUNT, THIS ALLOWED THE HARNESS TO MOVE AND ALLOWING CONTACT WITH THE IGNITOR BOX. THE DAMAGED ACFT HAVE BEEN REPAIRED AND RETURNED TO SERVICE.

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