As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOVING AFT FORMER FOR REPLACEMENT, FOUND THE INTERCOSTAL AT DD3 FROM FS338.96 TO FS347.25 TO BE CORRODED. 601R318055-1REMOVED AND REPLACED PAX DOORINTERCOSTAL DD3 AT FS 338.96 - FS 347.25 IAW CRJ 200 SRM 51-42-06, 51-42-21, AND 51-40-11. COMPLETED TASK CARD 51-900-1003-SKY AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE NOTED.