As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND CRACK LIKE INDICATIONS ON THE A2 HOLE LEFT WING SPAR ACCOMPLISHING SB 170-57-0053. MAINTENANCE REMOVED CRACK A2 HOLE LEFT WING SPAR IAW EMB ETD 2012-170-011146-A REV A. CLASSIFIED AS MAJOR REPAIR. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.