As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD AVIONICS COMPARTMENT FRAME AT FS 319 IS CORRODED FROM STRINGER 26L TO 26R. EVALUATED CORROSION & FOUND TO BE OUT OF LIMIT. CUT & REMOVED CORRODED SECTION. CUT & INSTALLED NEW FRAME SECTOR PN 670-31355-1 & INSTALLED WITH NEW ANGLES PN S1710-4 & S6144-13. FABRICATED STRINGER CLEATS & SPLICE PARTS IAW REO 670-53-21-799, DATED 30 JAN 2012. REPAIR ACCOMPLISHED.