What was found
FLIGHT DIVERTED, DUE TO CABIN INTERPHONE SYSTEM FAILED IN FLIGHT POPPING C/B EMITTING FUMES IN THE COCKPIT. FOUND CIRCUIT BREAKER FOR THE AMP LAND CABIN INTERPHONE ON LT C/B POPPED REMOVED AND INSPECTED RACK, CONNECTORS, WIRING WITH NO DEFECTS FOUND INSTALLED NEW SYSTEM IAW AMM 44-11-01. OPS CK OK IAW AMM 44-11-00-710-801A. COMPLETED CABIN AND COCKPIT SMOKE INSP. OPS CHECK GOOD.