What was found
AIRCRAFT IN BASE MAINTENANCE: FOUND CORRODED AREA OF FLOOR BEAM MEASURING 0.275 X 0.255 X 0.073 INCH AT FR 64 TO FR 66 AND Y765. REPLACED FLOOR BEAM Y765 AT AFT GALLEY AREA, REF SRM 51-72-11-911-001, SRM 51-42-11-801 AND DWG D53472815.