As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR LOWER SILL IS CORRODED FROM F.S. 310 TO F.S. 349. (C-CHECK RO 4/12/2021) REMOVED AND REPLACED PAX DOOR SILL IAW CRJ 200 SRMS 51-42-06, 51-42-21. FORM M337 AND MAJOR REPAIR TASK 51-900-1003-SKY COMPLETED AND ATTACHED. NO WEIGHT CHANGE, PART FOR PART REPLACEMENT. REFER TO CONTINUE CARD FOR WORK PERFORMED.