As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABI - DURING AN MBV INSPECTION, THE FRAME AT STATION 258 WAS FOUND TO BE CORRODED BEYOND SRM LIMITS. CUT OUT CORRODED AREA OF FRAME AT STATION 258. FABRICATED A FILLER, DOUBLER AND TRIPLER. REPAIR DONE IAW SAAB 340 SRM CHAPTER 53-70-30. (M)