What was found
CORROSION-AFT WET AREA FR.88 L.HAND FLOOR SILL HAS CORROSION. REMOVED AND REPLACED AFT WET AREA L.HAND SILL AT FR. 88 EMB 175 SRM 51-40-08,SRM 51-42-01, SRM 51-43-03 SEE EAMS W/O H6837 SN 303 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.