As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT SQUAWKED ON INTERMITTENT SWITCH. THE SWITCH WAS DISASSEMBLED AND INSPECTED. THE BONDED INTERNAL CONDUCTOR HAD SEPARATED FROM CONTACTOR. A TOTAL OF 20 SWITCHES IN OUR FLEET, HAVE ALREADY BEEN REPLACED. UPON INSPECTION, NUMEROUS SWITCHES HAD SIMILAR PROBLEMS INTERNALLY. (K)