What was found
HEAVY CHECK COE & MAJOR REPAIR. FRETTING DAMAGE ON CTR WING UPPER REMOVABLE PANEL LANDING FOR ACCESS PANEL 521DT. REPAIR PER SRAS DO TS 531 06 3474 ISSUE E DATED 4 5 2016.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HEAVY CHECK COE & MAJOR REPAIR. FRETTING DAMAGE ON CTR WING UPPER REMOVABLE PANEL LANDING FOR ACCESS PANEL 521DT. REPAIR PER SRAS DO TS 531 06 3474 ISSUE E DATED 4 5 2016.