As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD - FLT 1567 - AFTER TAKEOFF IAD DURING CLIMB-OUT PASSING 4,000 FEET, TAIL COMPARTMENT HIGH TEMPERATURE LIGHT ILLUMINATED. ACCOMPLISHED ABNORMAL PROCEDURES AND LIGHT EXTINGUISHED WHEN HIGH PRESSURE BLEED SELECTED OFF. AIRCRAFT RETURNED TO IAD AND LANDED WITHOUT INCIDENT. REPLACED RT PNEUMATIC PILOT PRESSURE REGULATOR (AUGMENTATION) VALVE. SYSTEM LEAK AND GROUND CHECKED NORMAL OPERATION. (X)