As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - DURING OP 16 MAINTENANCE CHECK, FOUND RT WING SKIN CRACKED 12 INCH INBOARD OF INBOARD SIDE OF INBOARD SPOILER AT REAR SPAR UPPER TE. SKIN WAS CRACKED ONE IN LONG. STOP DRILLED CRACK AND INSTALLED DOUBLER PER SRM 57-01, FIG 3 SHEET 2. (M)