What was found
HEAVY CHECK COE/MAJOR REPAIR: LT WING LOWER STRIP SLAT BETWEEN RIBS 4-5 HAS FRETTING DAMAGE. LEVEL 2, REPAIRED PER SRAS CETS-643/17...11146 DATED 2/16/2017.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HEAVY CHECK COE/MAJOR REPAIR: LT WING LOWER STRIP SLAT BETWEEN RIBS 4-5 HAS FRETTING DAMAGE. LEVEL 2, REPAIRED PER SRAS CETS-643/17...11146 DATED 2/16/2017.