What was found
"INITIAL INSPECTION: CORROSION ON SIDE SEAT RAILS IN SECTION [ FS= 661+16 TO FS= 669, STR 15L ] AND [ FS= 661+16 TO 661+90, STR 15R ] AT PAX CABIN. (CPAX) (TCI: 53-20-217) "SUMMARY: OF NRC 00139, CORROSION LEVEL 2. SECTION SEAT RAILS IN SECTION [ FS= 661+16 TO FS= 669, STR 15L ] AND [ FS= 661+16 TO 661+90, STR 15R ] AT PAX CABIN WERE REPLACED PER SRM 51-41-02-001-001-A01 AND AMM 53-00-49-400-801.