What was found
CORROSION ON FORWARD MAIN CABIN SILL BEAM AT L1 DOOR CUTOUT AT -Y1330, BETWEEN FRAMES 17 TO 18. REPLACED SILL BEAM IAW DRAWING 170-03719-005 AND 170-01330-507.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION ON FORWARD MAIN CABIN SILL BEAM AT L1 DOOR CUTOUT AT -Y1330, BETWEEN FRAMES 17 TO 18. REPLACED SILL BEAM IAW DRAWING 170-03719-005 AND 170-01330-507.