What was found
WO 256293 NR 200014 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE L/H INBOARD SEAT TRACK UPPER SURFACE HAS LEVEL 2 CORROSION AT FLOORBEAM 14. CORRECTIVE ACTION: REPAIRED PER ATR42 SRM 530000-300-856-A01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WO 256293 NR 200014 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE L/H INBOARD SEAT TRACK UPPER SURFACE HAS LEVEL 2 CORROSION AT FLOORBEAM 14. CORRECTIVE ACTION: REPAIRED PER ATR42 SRM 530000-300-856-A01.