As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C-CHECK, LT WING VERTICAL INTERCOSTAL, LOCATED UNDER OUTBOARD SPOILER HAS A CRACKED LIGHTENING HOLE. REMOVED INTERCOSTAL AT OUTBOARD SPOILER, MATCH DRILLED NEW FROM STOCK INTERCOSTAL AT YW 357.30. PAINTED AND INSTALLED NEW FROM STOCK INTERCOSTAL IAW 8-400 SRM 51-42-05.