As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"WHILE ACCESSING TO REPLACE INTERCOSTAL, FOUND FRAME 319 AT STRINGER21L TO BE CORRODED. " "LOCATED, DRILLED AND INSTALLED NEW SERVICEABLE FRAME SECTOR FS 319 BETWEEN 21L AND 18L IAW CRJ 900 SRM 51-40-11-001-001-A01, SRM 51-42-06- 001-001-A01 AND SRM 51-42-21-001-001-A01. WVAC "