As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABI - DURING A MBV INSPECTION, THE LEFT SIDE UPPER FLANGE OF THE LOWER FRAME AT STATION 258 WAS FOUND TO BE CORRODED BEYOND LIMITS. COMPLETELY REMOVED CORROSION BY CUTOUT. FABRICATED AN ANGLE AND SHIMS. REPAIR DONE IAW SAAB 340 SRM (72LKS 3079 REV 40) 53-70-30 PARA 4 FIG 206/207. (M)