What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON SUPPORT FRAME FROM FR 69 TO 70 AND STR 23L AT AFT GALLEY AREA; REPLACED SUPPORT FRAME LOC FR 69 TO FR 70 AND STR AT AFT GALLEY AREA IAW SRM 51-72-11, SRM 51-42-11 AND DRAWING D53474180. ALL WORK ACCOMPLISHED ON NR 2018-261166.