As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LHR CREW REPORTED RT PRESSURE REGULATING & SHUT-OFF VALVE FAILED ON TAKE OFF. EMERGENCY DECLARED FLIGHT RETURNED LHR LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LOWER PNEUMATIC TUBE ON THE RT ENGINE BLEED CONTROLLER THAT HAD SHEARED. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.