As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERGRANULAR CORROSION NOTED ON BS 700 FRAME LOWER LIP BETWEEN STRINGERS 27R AND 28R FORWARD PIT. CUT OUT DAMAGE. FABRICATED AND INSTALLED A DOUBLER REPAIR IAW SRM 53-10-4 FIGURE 13 AND 53-10-2 FIGURE 2. HEAT TREATED TO T6 CONDITION IAW FAS0115 REV 11 AND ER 2-37153-801 REV A.