As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT, THE LT WING FWD END OF GROUND SPOILER ATTACH CASTING WAS CRACKED BOTH I/B AND O/B SIDE OF ACT ATTACH FWD END. STOP DRILLED CRACKS PER SRO 9570010-5. INSTALLED DOUBLER FILLER AND STIFFENER PER SRO 9570010-5, FIG 6 PAGE 45-62.