As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4643 - DURING A TRAINING EXERCISE IN ATL, THE LEFT OVERWING EMERGENCY EXIT DOOR AT ROW 8 A/B COULD NOT BE OPENED. MAINTENANCE ADJUSTED THE BEYONET LATCH FITTINGS ON THE LEFT OVERWING EMERGENCY EXIT DOOR AT ROW 8 A/B. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)