As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV4, FOUND MAIN CABIN STA 1142 GIRT BAR FITTING SUPPORT LT CUSP WEB HAS CORROSION. REMOVED CORROSION 100 PERCENT MAT LOSS. CUTOUT 3"X3.5" IAW DWG SG09530019. FABRICATED DOUBLER FROM 0.040 A286 STAINLESS AND FILLER FROM 0.063 7075-T6 IAW DWG SG09530019. ALODINED FILLER AND PRIMED FILLER AND DOUBLER IAW SRM 51-10-3 AND INSTALLED IAW 51-30-5 AND SG09530019.