What was found
INTERCOSTALS AT STGR 21L FROM F.S.310 TO F.S.349 ARE CORRODED. REMOVED AND INSTALLED NEW INTERCOSTAL ON STR 21L BTWN FS 333 TO FS 349 IAW CRJ900 SRM 51-42-06-001-001-A01
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INTERCOSTALS AT STGR 21L FROM F.S.310 TO F.S.349 ARE CORRODED. REMOVED AND INSTALLED NEW INTERCOSTAL ON STR 21L BTWN FS 333 TO FS 349 IAW CRJ900 SRM 51-42-06-001-001-A01