What was found
AT 31K FT APU GEN TRIPPED OFF LINE, RT ENG GEN ON MCO. A/C RETURNED. REPLACED APU GCU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT 31K FT APU GEN TRIPPED OFF LINE, RT ENG GEN ON MCO. A/C RETURNED. REPLACED APU GCU.