What was found
LT AND RT BLEED AIR (RED) INDICATIONS ILLUMINATED IN FLIGHT AFTER ENGAGING THE STAB/WING HEAT SYSTEM. 7/11/06 REPOSITIONED INSULATION BLANKET AND ELEMENT. OPS CHECK GOOD. 7/13/06 FIRST FLIGHT HAS REPEAT EVENT. REMOVED AND REPLACED AFT MANIFOLD T-FITTING AND LINE DUE TO LEAKAGE. OPS CHECK GOOD. 7/16/06 CHECK FLIGHT HAS REPEAT EVENT. 7/17/06 DETECT LOOP FOUND TO HAVE HIGH RESISTANCE. REPLACED MID-TAILCONE BLEED AIR OVERHEAT SENSING ELEMENT. OPS CHECK GOOD. 7/18/06 MAINTENANCE CHECK FLIGHT SATISFACTORY.