As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE TAKEOFF ROLL, THE LT ENGINE THRUST REVERSER AMBER LIGHT ILLUMINATED ALONG WITH A -L REV ISLN VAL- STATUS MESSAGE. THE TAKEOFF WAS ABORTED AT 110KTS AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT REVERSER ISOLATION VALVE, AND THE LEFT REVERSER LOCKING ACTUATOR.