As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALTERNATOR IN-FLIGHT FAILURE TOGETHER WITH FAILURE OF NAV 1 AND GPS. ALTERNATOR FIELD BREAKER OPEN. REPLACED TWO SHORTED DIODES WITH CESSNA P/N 1N6391. AIRCRAFT WITH ONE HOUR TEST FLIGHT WAS UNEVENTFUL AND AIRWORTHY WITH ALL ELECTRICAL DEVICES WORKING.