As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)AC GENERATOR WOULD FALL OFF LINE WITHOUT PATTERN OR CONSISTENCY. A, B & C PHASE WIRING FROM AC GENERATOR P702 TO AC GENERATOR CONTACTOR K1 WAS REPLACED. UPON REMOVAL A SMALL CHAFED AREA WAS FOUND ON THE PHASE B WIRING. THE CHAFING OCCURRED AT STATION 215 WL112.