As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC CDU FOR ENGINE FAULTED, NR 2 ENGINE POWER CHANNEL B CIRCUIT BREAKER KEEPS TRIPPING (P6-2 D7). ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE EEC IAW AMM 73-21-60-400-801-F00. ACCOMPLISHED FADEC SYSTEM TEST, PASSED. GROUND VERIFICATION SUCCESSFUL IAW AMM 73-21-00-700-802-F00.