As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAJOR REPAIR: R/H WINGLET FWD SPAR CRACKED. REMOVED AND REPLACED FWD SPAR ON RH WINGLET PER REF ETD2018-170-112888. SEE WIPS,TASKS AND IPM12 WO# C117401 FOR ALL WORK PERFORMED. SEE EAMS W/O H6837 SN 013 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.