What was found
WO 213191 NR 500030 HEAVY CHECK COE/MAJOR REPAIR: CENTER WING HOUSING FOR ACCESS PANEL 521DT HAS FRETTING LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0118638_01...16226 ISSUE A, DATED 5/5/2020.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WO 213191 NR 500030 HEAVY CHECK COE/MAJOR REPAIR: CENTER WING HOUSING FOR ACCESS PANEL 521DT HAS FRETTING LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0118638_01...16226 ISSUE A, DATED 5/5/2020.