As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN INSPECTION FOR DAMAGE CAUSED BY THE LEFT MAIN LANDING GEAR DOOR FITTING BECOMING DETACHED FROM THE KEEL BEAM DURING GEAR RETRACTION ON TAKEOFF (SEE AALA201911099002 FOR ORIGINAL REPORT) REVEALED A CRACKED FASTENER HOLE ON THE TOP HORIZONTAL WEB OF THE KEEL BEAM (2ND HOLE FROM THE OUTBOARD SIDE) AT FR 42 AND S36L WHICH WAS REPAIRED BY OVERSIZING THE HOLE PER EA 300270.