As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND APPROX 2 INCH BY 2 INCH AREA OF CORROSION LOWER CHORD OF FRAME AT STATION 787 LEFT KEEL BEAM. INSTALLED REPAIR DOUBLER AND ATTACH ANGLES, REPAIRED PER SRM 53-10-4, FIG 9. CORROSION TASK NR C53-208-01, CORROSION LEVEL 2. (M)