Service difficulty report · Terminal Lug · Beech 1900C

Difficulty date
January 4, 2000
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N1566C
Make and model
Beech 1900C
Aircraft serial
UC36
Part
Terminal Lug
Part number
1013690113
Condition
Mismanufactured
Location
Starter/Gen
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

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

What was found

THREADED STUD ON THIS TERMINAL ADAPTER LUG HAS IMPROPER THREAD PITCH/DIAMETER FOR PROPER INSTALLATION OF WIRE TERMINAL NUT. IF THE NUT IS THREADED ON THE TERMINAL AS DELIVERED FROM RAYTHEON, THE THREADS ON THE TERMINAL STRIP OUT. IF THE ADAPTER IS USED AS DELIVERED, PROPER TORQUE ON THE TERMINAL NUTS CANNOT BE ASSURED AND RESULTANT LOOSE WIRES AND ARCING CAN OCCUR. THIS CONDITION HAS BEEN NOTED ON THE VAST MAJORTIY OF PREVIOUSLY DELIVERED ADAPTERS AND DIRECT CONTACT WITH RAYTHEON HAS PROVIDED NO IMPROVEMENT IN THE DELIVERED PRODUCT. THIS ADAPTER LUG IS PART OF RAYTHEON 1900C STARTER IMPROVEMENT KIT NR 114-9034-1.

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