As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED NR 1 ENGINE WOULD NOT START DUE TO LACK OF STARTER ROTATION. TRACED PROBLEM TO MELTED STARTER/GENERATOR PYLON FEED THROUGH PLUG. OUTBOARD TERMINAL END OF PLUG AND TERMINAL END OF CABLE HAD MELTED. IAW SNL AND MM. (PTRS SW15200305957) 3456.