What was found
WO 238881 NR 500022 HEAVY CHECK COE/MAJOR REPAIR: UPPER WING ACCESS DOOR CUTOUT FOR PANEL 521DT HAS FRETTING DAMAGE. CORRECTIVE ACTION: REPAIR PER ATR SRAS DO/TS-4828/10...6020 ISSUE F, DATED 10/20/2022.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WO 238881 NR 500022 HEAVY CHECK COE/MAJOR REPAIR: UPPER WING ACCESS DOOR CUTOUT FOR PANEL 521DT HAS FRETTING DAMAGE. CORRECTIVE ACTION: REPAIR PER ATR SRAS DO/TS-4828/10...6020 ISSUE F, DATED 10/20/2022.