What was found
CLIMBING THRU 29,000 FT, RECEIVED BLD 1 LEAK CAS IND. FOLLOWED QRH, REDUCE POWER NR 1 ENG & WAITED 3 MINS FOR MESGE TO EXTING. 3 MINS, MESGE EXTINGUISH. RETURNED TO KSAT. BLD 1 LEAK MESGE RETURNED. INTERMIT & FOLLOWED CHKLIST, SHUTDOWN NR 1 ENG. DECLARED AN EMERGENCY & LANDED. MESGE INTERMIT TO GROUND. ILLUM & THEN OUT FOR ABOUT A MIN. RAN ENGS AT 50% N1 & BLD 1 CAS MESGE ILLUM & STAYED ON. ANALYSIS INDICD BLD LP 3 LEAK. PERFED FAULT ISOL IAW FIM 36-21-00-810-805. PERFRD VIS INSP OF BLD LEAK THERMOSTATS. R & R THERMOSTAT S0395, WIRING TOUCHING ACM DUCT & BURN TO INSULATION. PERFRD RESIST CHKS, NO DEFECTS. R & R RESISTOR R0107 IAW SWPM 20-41-20, WD 36-20-50-1. RAN ENGS W/BLD ON & NO DEFECTS & NO GROUND. IT