What was found
MCN - MAJOR REPAIR - DURING C-20 CHECK EXFOLIATION CORROSION WAS FOUND ON RT AFT LAVATORY FLOOR STRAP BETWEEN BS 1020 AND BS 1025, RBL 27, WL 208. MAINTENANCE REMOVED CORRODED RT AFT LAVATORY FLOOR STRAP FROM BS 1020 TO BS 1025, RBL 27, WL 208; FABRICATED A NEW REPLACEMENT STRAP PER DWG 65-46812; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 8 PG 38.