What was found
AWR IN REF NRC S/N 00237 DURING SEATS REMOVAL, CORROSION ON FLOOR SEAT RAILS WAS FOUND, FS LBL9 (661+32 TO 691.50)(691.50 TO 836.50)(847+51 TO 953), RBL9 (661+32 TO 691.50)(691.50 TO 836.50) (SM)(CPAX). SIDE SEAT RAILS LBL9 AND BTW FS661+32/691.50, 691.50/836.50, FS847+51 TO 953, RBL9 FS661+32/691.50, FS691.50/836.50 WERE REPLACED PER AMM 53-00-49. (CORROSION LEVEL 2)