As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SILLS IN STA. FS= 280 TO FS= 319 BETWEEN 41RBL TO 46RBL AT PAX CABIN FWD WET AREA WAS REMOVED 51-21-06-001-001-A01 PAR.5.B. AND AREAS WAS MEASURED ON SILL AND ORIGINAL THICKNESS IS 0.050" AND MAXIMUN DEPTH REMOVED 0.003" THEREFORE WHITIN LIMITS PER CRJ-900 SRM 53-00-45-201-001-A01 PAR.5.B.S