As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAJOR REPAIR & LEVEL 2 CORROSION. LT LOWER FRAME 24 SEGMENT IS CORRODED BELOW RECIRCULATION DUCT SUPPORT. S/D CUT THE FRAME ASSY WITH A STEPPED CUT FROM STRINGER 16L TO 16R AND FROM STRINGER 17L TO 17R. SPLICED IN NEW FRAME ASSEMBLY WITH SPLICES AT STRINGERS 16 & 17 L & R.