As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DUE C 9 CHECK. MAIN CABIN FLOORBEAM HAS CORROSION AT FRAME 68, -Y1292. BLENDED DAMAGED AREA & REMOVED CORROSION. ORIGINAL THICKNESS .150 INCHES & .116 INCHES REMAINS. MAX ALLOWABLE DAMAGE DEPTH IS .016 INCHES SO BLEND OUT WAS OUT OF LIMITS. R & R FLOORBEAM IAW SRM 51-42-11 PAR 5 A-C. ACFT DUE OUT OF C CHECK 11-15-2014.