What was found
AIR TURNBACK. BOTH FMS LOCKED IN STANDBYE F-PLAN MODE. DOWN POWERED ACFT. ACCOMPLISHED VIA 1 & 2 RTS. NO FAULTS NOTED, AMM 31-43-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK. BOTH FMS LOCKED IN STANDBYE F-PLAN MODE. DOWN POWERED ACFT. ACCOMPLISHED VIA 1 & 2 RTS. NO FAULTS NOTED, AMM 31-43-00.