As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR; [TASK R53520 STEP 7]; CORROSION ON FLOOR SEAT RAIL IN SECTIONS [FS= 375 TO FS= 409, 9LBL] AT PAX CABIN FWD WET AREA. (W1) (CPAX). FLOOR SEAT RAIL IN SECTIONS FS375 TO FS409 AND 9LBL AT PAX CABIN FWD WET AREA WERE REPLACED FOR NEW ONES PER CRJ-900 AMM 53-00-49-400-801 (CONFIG A07). LEVEL CORROSION 2.