What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON L1 PAX DOOR CUTOUT LOWER CORNER FRAME 16 STR 23L 4EA AROUND FASTENER HOLES; REMOVED CORROSION ON L1 DOOR CUTOUT LWR FR 16 STR 23L AROUND 4EA FASTENER LOCATION S VERIFIED WITHIN LIMITS AND INSTALLED 4EA WASHER FILLER REPAIRS IAW SRM 53-11-14-283 -005 CAT B REWORK REQ REINSPECT AT 60000 FC/FH NOT RELEVANT SUBSEQUENT INSPECTIONS TBD IAW SRI 53-11-14-205-001 ALL WORK ACCOMPLISHED ON NR #42424.