As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT, A CRACK WAS FOUND EXTENDING FROM A FASTENER LOCATION IN THE LEFT MLG WW LOWER CHORD AT BS 870 LBL 50. REMOVED TWO CRACKED ANGLES, FABRICATED AND INSTALLED NEW ANGLES IN ACCORDANCE WITH B727 SRM 51-30-2 AND 51-40-3 FIGURE 1.