As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DCA-BUF - FLT 8005 - DURING CLIMB POWER SETTINGS THE TAIL COMPARTMENT HIGH TEMP LIGHT ILLUMINATED BUT WOULD EXTINGUISH DURING CRUISE POWER. THE AIRCRAFT DIVERTED TO PIT AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FLEX COUPLING DOWNSTREAM OF THE RIGHT AIR CONDITIONING TEMP CONTROL VALVE. (M)