As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4593 PIT-TOL. DURING FLIGHT, THE RT AIR VALVE WARNING LIGHT ILLUMINATED. THE CREW FOLLOWED THE QRH AND RETARDED THE RT POWER LEVER AND THE WARNING LIGHT WENT OUT. AC RETURNED TO PIT AND TAKEN OUT OF SERVICE 11-11-03 AT 1655 (LT).