As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK AND WEAR ON UPPER SKIN OF LEADING EDGE PANEL 522BL. DAMAGED LEADING EDGE PANEL (522BL) P/N: CC670-12301-5 S/N: 15184 WAS REPAIRED PER EA CRJ957-22538 REV. A BUTH DISTORTION AFTER COOLING WAS FOUND THEREFORE WAS REPLACED BY SERVICEABLE LEADING EDGE PANEL (522BL) P/N: CC670-12301-5 S/N:15094 AND WAS INSTALLED WITH CARD CRJ900-500 OPEN/CLOSE AND PER CRJ900 AMM 57-41-05.