As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CA FMS DOES NOT TURN ON. GROUNDED - YES. #1 MCDU WOULD NOT COME ON WITH CB RESET OR CYCLE OF SHIP POWER. KEYPAD COMPLETLEY UNRESPONSIVE. REMOVED & REPLACED #1 MCDU PER AMM TASK 34-61-01/401. OPS CHECK GOOD. ALL APPLICABLE LLM TESTS PASS. PLACARDS REMOVED. CLEARS MEL 34-36L. SREAMC PETER NOTIFIED.