As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR MID LOWER INTERCOSTAL ( JUST ABOVE COVER BRACKET ) CORRODED (C-CHECK RO 7/10/2021) REMOVED AND REPLACED PASSENGER DOOR MID LOWER INTERCOSTAL, DD4, IAW CRJ 700 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01. COMPLETED MAJOR REPAIR TASK CARD 51-900-1002-SKY AND FORM M-337, NO CHANGE TO WEIGHT.