As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"INTERCOSTAL FWD OF AVIONICS DOOR BETWEEN FS 364-FS 349 AT STRINGER 27L IS CORRODED. " "REMOVED AND REPLACED INTERCOSTAL AT 27L BETWEEN F.S. 349 AND F.S. 364 IAW CRJ 900 SRM 51-40-11-001-001-A01, 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. REMOVED AND INSTALLED GUSSET IAW CRJ 900 SRM 51-42-21-001-001-A01. WVAC EMP # 574786 "