What was found
RH SIDE WALL SEAT RAIL IS CORRODED AT FRAME 5F. REPLACED RH WALL MIDDLE SEAT RAIL SECTION. RH WALL SEAT RAIL SECTION. REMOVED SEAT RAIL. FABRICATED NEW SEAT RAIL FROM 206196-1 :2024-T3511 SEAT RAIL STOCK TO SAME DIMENSIONS AS PREVIOUSLY INSTALLED. INSTALLED SEAT RAIL USING CR3242 RIVETS, NAS1670 FASTENERS, AND MS20426E RIVETS AS REQUIRED. MATERIALS USED; FASTENER TYPE, SIZE, SPACING, AND REPAIR CRITERIA WERE OBTAINED FROM PREVIOUS INSTALLATION. AS WELL AS AC43.13-1B 4.57B (P:4-16) 4.57F (P:4-19). CONTINUED AIRWORTHINESS WILL BE MAINTAINED IN ACCORDANCE WITH CURRENT INSPECTION PROGRAM OR AIRCRAFT MANUFACTURERS INSPECTION PROGRAM. WEIGHT AND BALANCE CHANGE WAS CONSIDERED NEGLIGIBLE.