As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LT ALTERNATOR INTERMITTENT. MX FOUND THE B+ POWER WIRE CHAFED AT THE ENGINE INTAKE MANIFOLD, APPROX 6" BELOW ALTERNATOR. FOUND A SMALL HOLE ARCED THROUGH THE INTAKE MANIFOLD. WIRING WAS NOT SECURED PROPERLY IN THIS AREA. ENGINE TSO 438.4