What was found
IN DECENT WITH NON IDLE POWER SETTING THE #1 AND #2 HP VALVES CYCLED WITH A HOT SMELL. #1 HP EVENTUALLY FAULTED AND RESET VIA THE CHECKLIST. THE CYCLING CONTINUED DURING DECENT. ON FINAL WITH #2 PACK. FOUND PNEUMATIC SYSTEM CONTROLLER 1 TO HAVE €ŒC CONTROLLER€? FAULT ON BITE TEST. REMOVED AND REPLACED PNEUMATIC SYSTEM CONTROLLER 1 IAW A300 36-11-19. PERFORMED BITE TEST AND NO FAULTS NOTED AT THIS TIME. PERFORMED BOTH ENG RUN IAW A300 AMM 71-00-00 AND OPS CHECKED GOOD AT THIS TIME. NO DEFECTS NOTED AT THIS TIME.