As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H MLG BAY CEILING RIB (INBD. SKIRT RIB) IS CRACKED (AS MARKED) (C-CHECK RO 9/30/2021) REMOVED DAMAGED RIB AND INSTALLED A NEW PART NUMBER CC670-10748-2 IAW CRJ 700 SRM 51-42-21-001-001-A01 AND 51-42-22-001-001-A01. NO CHANGE TO WEIGHT, M-337 AND TASK CARD 51-900-1002-SKY ATTACHED. DRAWING CC690-10610-101 USED FOR FASTENER CALL OUT.