What was found
AIRCRAFT NOT ACCEPTING POWER, GND OR APU. MAIN BATTERY REPLACED, BCU 1 REPLACED, TRU, GCU RERACKED, BCU 2 RERACKED, BREAKERS CYCLED. AIRCRAFT NOW ACCEPTING POWER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT NOT ACCEPTING POWER, GND OR APU. MAIN BATTERY REPLACED, BCU 1 REPLACED, TRU, GCU RERACKED, BCU 2 RERACKED, BREAKERS CYCLED. AIRCRAFT NOW ACCEPTING POWER.