What was found
FMC DIMMER RHEOSTAT SPINS COMPLETELY AROUND. ACFT GROUNDED. REMOVED REPLACED F/OS MCDU KEYBOARD IAW AMM REF 34-61-01. OPS CKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FMC DIMMER RHEOSTAT SPINS COMPLETELY AROUND. ACFT GROUNDED. REMOVED REPLACED F/OS MCDU KEYBOARD IAW AMM REF 34-61-01. OPS CKS GOOD.