What was found
CORROSION ON SIDE SEAT RAILS IN SECTIONS FS 379 TO FS 485, STGR 15 LT/RT, FS 485 TO FS 565, STGR 15 LT/RT, FS 581 TO FA 661 + 16 STGR 15 LT/RT, FS 661 +16 TO FS 661+90 STGR 15 LT/RT AT PAX CABIN. NEW SIDE SEAT RAILS IN SECTIONS FS 379 TO FS 485, STGR 15 LT/RT, FS 485 TO FS 565, STGR 15 LT/RT, FS 581 TO FA 661 + 16 STGR 15 LT/RT, FS-661 +16 TO FS 661+90 STGR 15 LT/RT WERE REPLACED, PER CRJ900 AMM 53-00-49-400-801 CONF A04.