What was found
INTERCOSTAL AT STGR 21L FROM F.S.310 TO F.S.333 IS CORRODED. INSTALLED NEW SERVICEABLE WEB FLOOR PROTECTOR ANGLES 2EA (PN SH670-32040-4S) AND 1EA (PN SH670-32040-3S) IAW CRJ900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INTERCOSTAL AT STGR 21L FROM F.S.310 TO F.S.333 IS CORRODED. INSTALLED NEW SERVICEABLE WEB FLOOR PROTECTOR ANGLES 2EA (PN SH670-32040-4S) AND 1EA (PN SH670-32040-3S) IAW CRJ900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.