As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE PERFORMING A SCHEDULED PHASE CHECK, MAINTENANCE DISCOVERED THE LT WING T/E STIFFENER, CRACKED IN 3 SEPARATE PLACES. THE CRACKS WERE LOCATED AT WING STA 147, 156 AND 167 JUST BEHIND THE REAR SPAR. THE WING SKIN AT BS 148 WAS ALSO CRACKED. THE RT WING T/E STIFFNER, PN 50-110028-13 WAS ALSO CRACKED IN 2 PLACES AT WING STA 147 AND 156. THESE WING STA AREAS HAVE NOW BEEN INSPECTED AND CRACKS HAVE BEEN FOUND ON AT THESE WING STA.