What was found
BRAKE OVERHEAT MESSAGE ON APPROACH. RIGHT OUTBOARD BRAKE INDICATED 14. MESSAGE CLEARED PRIOR TO IMITATING QRH, THEN MESSAGE RETURNED WITH AN INDICATION OF 8. COMPLIED WITH QRH. MESSAGE CLEARED. FOUND RIGHT OUTBOARD BRAKE TEMP SENSOR CANNON PLUG LOOSE. SECURED RIGHT OUTBOARD BRAKE TEMP. SENSOR CANNON PLUG, PER CRJ900 AMM 32-46-01. PERFORMED OPERATIONAL TEST OF THE BRAKE TEMPERATURE MONITORING SYSTEM, IN REF TO CRJ90 AMM 32-46-00. OPERATIONS TEST GOOD, NO DEFECT NOTED AT THIS TIME.