What was found
DURING CLIMBOUT, THE NUMBER ONE AND TWO ENGINE PNEUMATIC MANIFOLD OVER TEMPERATURE INDICATING LIGHTS ILLUMINATED, VERIFIED BY TEMPERATURE INDICATOR. THE FLIGHT ENGINEER SECURED THE NUMBER ONE AND TWO ENGINE BLEED SYSTEMS FOLLOWING COMPANY EMERGENCY PROCEDURES. THE FLIGHT RETURNED TO TOL FOR AN UNEVENFUL LANDING. MAINTENANCE PERFORMED A GROUND RUN IN ACCORDANCE WITH COMPANY JRH WHICH REVEALED THE NUMBER ONE BLEED REGULATOR VALVE DEFECTIVE, WHICH WAS REPLACED. MAINTENANCE PERFORMED A SUCCESSFUL OPERATIONAL TEST.