As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PITOT LIGHT ON CAUTION PANEL NOT FUNCTIONING. FOUND GROUND WIRE FOR THE PITOT LIGHT CIRCUIT TO BE BROKEN. WIRE DID NOT HAVE THE SLACK REQUIRED WHEN INSTALLED, PLACING A STRAIN ON THE WIRE WHICH BROKE DURING OPERATION OF THE ACFT. RECOMMEDN IMPROVEMENTS IN QC OF ELECTRONICS INSTALLATIONS AND FOLLOWING RECOMMENDATIONS OF MFG AND AC43.13-1B/2B CHANGE 1.