What was found
CORROSION ON BACK UP SILL AT FS333 - FS349 AT STRINGER 21L IS OUT LIMITS. REMOVED AND REPLACED BACK UP SILL AT FS333 - FS349 AND STRINGER 21L IAW CRJ SRM 51-42-06.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION ON BACK UP SILL AT FS333 - FS349 AT STRINGER 21L IS OUT LIMITS. REMOVED AND REPLACED BACK UP SILL AT FS333 - FS349 AND STRINGER 21L IAW CRJ SRM 51-42-06.