As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 GENERATOR FAILURE. FLIGHT DIVERTED. FOUND METAL ON CHIP DETECTOR AND DELTA-P SWITCH WAS POPPED ON CASE DRAIN FILTER. REPLACED NR 1 CSD, CASE DRAIN FILTER AND CSD OIL COOLER. APU STARTED NORMAL ON MANY ATTEMPTS, ALSO STARTED ENGINES THREE TIMES AND LOADED UP GENERATOR ALL WORKS NORMAL.