As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOS TRIP COUNTER WAS SMOKING AND ARCING<[01] CONFIRMED FO'S TRIP COUNTER AT FAULT REF AMM 05-51-56 SMOKE AND FUMES IN CABIN CONDITIONAL INSP. NO CONDITIONAL INSPECTION REQUIRED SOURCE OF SMOKE KNOWN. REMOVED FO'S TRIP COUNTER AND INSPECTED WIRES AND TERMINALS AT TRIP COUNTER NO DEFECTS NOTED REPLACED TRIP COUNTER PER AMM 33-11-00 OP'S CK NORMAL