As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING AFT OF REAR SPAR AT ENG PYLON INTERFACE ATTACH WEB TO BOTTOM WING SKIN CRACKED AT ATTACH FASTENERS. MEASURED 1.5", 1.2", AND .7" IN LENGTHS. R & R LT WING NR 1 PYLON REAR SPAR AT AFT ATTACH WEB REF TO SRM 51-72-10. LEAK AND OPS CHECKED GOOD IAW AMM 71-00-00-5.