What was found
WO 238445 NR 500016 HEAVY CHECK COE/MAJOR REPAIR: UPPER CENTER WING CUTOUT BETWEEN RIBS 4L AND 5L PANEL 522CT FLANGE AND FOIL HAVE FRETTING DAMAGE. CORRECTIVE ACTION: REPAIR PER SRAS DO/TS-4504/08...4888 ISSUE F, DATED 8/3/2022.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WO 238445 NR 500016 HEAVY CHECK COE/MAJOR REPAIR: UPPER CENTER WING CUTOUT BETWEEN RIBS 4L AND 5L PANEL 522CT FLANGE AND FOIL HAVE FRETTING DAMAGE. CORRECTIVE ACTION: REPAIR PER SRAS DO/TS-4504/08...4888 ISSUE F, DATED 8/3/2022.