What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** AT FWD WET AREA FLOOR STRUCTURE, CORROSION LOCATED ON LONGITUDINAL BEAM AT FR17 RBL11. AT FWD WET AREA FLOOR STRUCTURE, LONGITUDINAL BEAM LOCATED ON AT FR17 RBL11 REPAIRED IAW SRM 53-10-10 REPAIR 01. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.