As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C16 CHECK DISCOVERED THE NR 6 SPOILER ON UPPER SURFACE BULGING WITH CRACK, .5 INCHES LONG, WS 228R. MAINTENANCE REMOVED SPOILER AND REMOVED DAMAGE IAW BOEING 737-300 SRM 57-70-01-2R4 FIG 201. FABRICATED AND INSTALLED DOUBLER ON THE NR 6 SPOILER UPPER SURFACE IAW BOEING 737-300 SRM 57-70-01-2R4 FIG 201. RE-INSTALLED SPOILER IAW BOEING 737-300 SRM 57-70-01-2R4 FIG 201.