As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURN FROM FLIGHT, DURING CLIMB, LT CSD OIL PRESSURE AND LT GENERATOR OFF LIGHTS ILLUMINATED WITH INDICATIONS GEN 0 AND NORMAL CSD TEMPERATURE. DURING CHECK CSD WAS WITHOUT OIL AND PLUNGER ACTIVATED. DURING CSD REPLACEMENT IT WAS DETECTED THAT THE CSD AND GENERATOR WERE DAMAGED. THEY WERE REPLACED IAW MM, TESTS OK. ADDITIONALLY DURING OVERNIGHT SERVICE THE APU WAS INSTALLED IAW MM.