As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTERIOR FUSELAGE BELLY SKIN, BULGE AROUND FASTENERS AT BS 727B BETWEEN STRINGER 27L AND 27R. REMOVED FASTENERS AT EXT FUSELAGE AT BS 727B, DICOVERED FRAME BETWEEN STR 27L & 27R HAS CORROSION OUT OF LIMITS IAW SRM 53-10-1. REMOVED UNSERVICEABLE PARTS 53-10-4. FABRICATED REPAIR PARTS IAW SRM 53-10-4. INSTALLED REPAIR PARTS IAW SRM 51-30-2.