What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON L1 PAX DOOR CUTOUT LOWER CORNER FRAME 20 STR 23L 4EA AROUND FASTENER HOLES; REMOVED CORROSION ON L1 DOOR CUTOUT LWR FR 20 STR 23L AROUND 4EA FASTENER LOCATIONS VERIFIED WITHIN LIMITS AND INSTALLED 4EA WASHER FILLER REPAIRS IAW SRM 53-11-14-283-005 CAT B REWORK REQ REINSPECT AT 60000FC/FH NOT RELEVANT SUBSEQUENT INSP TBD IAW SRI 53-11-14-205- 001 ALL WORK ACCOMPLISHED ON NR # 42422.