What was found
FLIGHT CREW REPORTS #2 MCDU BLANK. GROUNDED - YES. REMOVED & REPLACED #2 FMC MCDU REF B737-900 AMM 34-61-01 & OPS CKS GOOD. GROUND VERIFICATION CK PASSED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT CREW REPORTS #2 MCDU BLANK. GROUNDED - YES. REMOVED & REPLACED #2 FMC MCDU REF B737-900 AMM 34-61-01 & OPS CKS GOOD. GROUND VERIFICATION CK PASSED.