As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WO 256293 NR 100011 HEAVY CHECK COE/MAJOR REPAIR DISCREPANCY: INTERIOR FUSELASE FRAMES 36-39 L/H AFT PAX DOOR THRESHOLD UPPER SURFACE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIRED PER ATR42 SRM 51-25-01 & 51-25-03 BY REPLACEMENT OF PAX DOOR THRESHOLD.