What was found
CA SIDE MCDU LOCKED UP DURING FLIGHT. GROUNDED - YES. PERFORMED POWER DOWN / POWER UP RESET CAPTAIN'S MCDU OPS NORMAL AS PER B737-9 AMM 34-61-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CA SIDE MCDU LOCKED UP DURING FLIGHT. GROUNDED - YES. PERFORMED POWER DOWN / POWER UP RESET CAPTAIN'S MCDU OPS NORMAL AS PER B737-9 AMM 34-61-00.