As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT EXPERIENCED ALTERNATOR FAILURE ON LT ENGINE IN-FLIGHT. UPON INSPECTION AFTER LANDING, FOUND LT SIDE OF AIRCRAFT COVERED IN OIL AND LT ALTERNATOR LYING INSIDE OF COWLING. SUBMITTER SUSPECTED FAILURE OF GENERATOR ADAPTER ASSY BUSHING PN 75539 CAUSED MISALIGNMENT OF ALT DRIVESHAFT WHICH CAUSED COUPLING PN LW-14464 TO FAIL IN SUCH A MANNER THAT CAUSED ALTERNATOR ADAPTER ASSY PN LW-10259 TO FAIL. (X)