What was found
DURING HEAVY MAINTENANCE, EMERGENCY EXIT DOOR 833 SEVERAL CRACKS ON INNER FRAME SEGMENT MAX LENGTH 0.360 IN. NR 2019-415343. EMERGENCY EXIT DOOR 843 SEVERAL CRACKS ON INNER FRAME SEGMENT MAX LENGTH 0.38 IN. NR 2019-41534; FRAME WAS REINFORCED ON ALL 4 DOORS UNDER WO 1004831, TASK CARDS A320-52-1144-01,-02,03 AND -04.