What was found
DURING HEAVY MAINTENANCE, CRACK INDICATION ON EMERGENCY EXIT DOOR 843 AFT FRAME SEGMENT 1 L=0.270 INCH IN PASSENGER CABIN, REF AEROMAN NR W/O 2020-367/1 WCC 2020-333388. ACCOMPLISHED REINFORCE DOOR STRUCTURE, MODIFICATION ON EMERGENCY EXIT DOOR 843, IAW TASK CARD A320-52-1144-02.