What was found
DURING PILOT TRAINING ON A/C 602, THE PILOT CLASS COULD NOT OPEN THE LT OVERWING EMERGENCY EXIT DOOR. MAINTENANCE INSPECTED DOOR AND NOTED EXIT PREVIOUSLY INSTALLED INCORRECTLY CAUSING DOOR TO JAM. THE 2 HOOK FITTINGS ON THE BOTTOM OF DOOR WERE INCORRECTLY ALIGNED WITH THE AIRFRAME HINGE FITTINGS, BUT THE DOOR INDICATION IN THE FLT DECK SHOWED CLOSED. MAINTENANCE REMOVED DOOR. INSPECTED AND FOUND NO DAMAGE AND REINSTALLED EXIT.