What was found
DURING CLIMBOUT, SMOKE ANNUN ILLUMINATED. SHORTLY AFTER THE FLIGHT DECK SMOKE ILLUMINATED. RECEIVED A REGUL FAULT LIGHT, TEMP HI LIGHT, PACK FAULT ALL ON THE NR 1 SIDE. AFTER RUNNING THE APPROPRIATE CHECK LIST, AND SHUTTING OFF THE NR 1 PACK, THE LIGHTS EVENTUALLY EXTINGUISHED. FOUND NR 1 ENG AFT B-SUMP VENT AND PNEU SUPPLY TUBE HAD CHAFED THRU EACH- OTHER. REMOVED AND REPLACED BOTH THE AFT VENT B-SUMP VENT AND PNEUMATIC SUPPLY LINE. AS FOR THE TEMP HI FAULT. REMOVED AND REPLACED THE FAN AIR VALVE. OPS & LEAK CK'D OK IAW M/M 36-11-16, 36-11-00, 21-00-00, JRH CHAPT 18, & M/M 26-12-0. OK FOR CONTINUED SERVICE.