SDR 99ZZZX3974

Service difficulty report · Connector · Lear 55LEAR

Difficulty date
September 1, 1999
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N277AL
Make and model
Lear 55LEAR
Aircraft serial
104
Part
Connector
Part number
DDMA50S
Condition
Mismanufactured
Location
Tailcone
Component
Collins · 6226290001
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

DURING TROUBLESHOOTING, A TRANSPONDER IDENTS ALL THE TIME. AVIONICS TECH DETERMINED THERE WAS A SHORT IN CANON PLUG RP738. WHEN PLUG WAS DISASSEMBLED, HE FOUND THE WIRES AND PINS WERE IMPROPERLY INSTALLED WITH WIRE INSULATION CUT BACK TOO FAR LEAVING BARE WIRES INSIDE THE PLUG. SOME WIRES WERE TOUCHING EACH OTHER. A BRIEF LOG SERCH WAS CONDUCTED, BUT NO WORK IN THIS AREA IN THE RECENT PAST WAS DISCOVERED.