What was found
CORROSION ON BACK UP SILL AT FS310 - FS333 AND STRINGER 21L IS OUT OF LIMITS. REMOVED AND REPLACED BACK UP SILL AT FS310 - FS333 AND STINGER 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 FS310 - FS333 AND STRINGER 21L IS OUT OF LIMITS. REMOVED AND REPLACED BACK UP SILL AT FS310 - FS333 AND STINGER 21L IAW CRJ SRM 51-42-06.