What was found
MAIN DECK CARGO DOOR WARNING ON DEPARTURE .ACFT RETURNED TO FIELD (ATB) AND MTX GROUNDED AC, MTX THEN DEFERRED MAIN DECK CARGO DOOR INDICATION IAW MEL ABX52-71-1-2. AND RETURNED AC TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN DECK CARGO DOOR WARNING ON DEPARTURE .ACFT RETURNED TO FIELD (ATB) AND MTX GROUNDED AC, MTX THEN DEFERRED MAIN DECK CARGO DOOR INDICATION IAW MEL ABX52-71-1-2. AND RETURNED AC TO SERVICE.