What was found
FIELD TRIP ON ENGINE START. NO ENGINE DRIVEN GENERATOR CA/BPCU FAULTED BOTH GCU/S. REMOVED AND REPLACED BOTH ENG GCU'S AND REPLACED BPCU. CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FIELD TRIP ON ENGINE START. NO ENGINE DRIVEN GENERATOR CA/BPCU FAULTED BOTH GCU/S. REMOVED AND REPLACED BOTH ENG GCU'S AND REPLACED BPCU. CHECKS GOOD.