What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON LOWER SILL BETWEEN FRAMES 66 AND 68, STRINGER 23R IN THE AFT GALLERY AREA. REPLACED LOWER SILL IAW SRM 51-72-11, DRAWINGS D53480505, AND D53470150.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON LOWER SILL BETWEEN FRAMES 66 AND 68, STRINGER 23R IN THE AFT GALLERY AREA. REPLACED LOWER SILL IAW SRM 51-72-11, DRAWINGS D53480505, AND D53470150.