As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE DRILLING OUT A STUCK SCREW ON PANEL 672AB MISDRILLED AND DAMAGED UNDERLYING STRUCTURE. (C-CHECK RO 5/18/2023) REPAIRED DAMAGE TO RH WINGLET CLOSING RIB REF MHIRJ EO # CL-600-2C10-57-L07462 DATED 5/2/2023. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY.