What was found
PASSING 9000FT AFTER T/O CAPT NOTICED FAINT BURNT PAPER ODOR. NO OTHER INDICATIONS, F/O WENT TO COURIER AREA NO FUMES BUT NOTICED EMERGENCY LIGHT ON. CAPT MADE DECISION TO RETURN TO HKG. DECLARED EMERGENCY, UNEVENTFUL LANDING. PANELED SHUTDOWN ENGS TO REMOVE PWR FROM A/C. REPLACED NR 2B TRANSFORMER RECTIFIER. REMOVED ALL DU, AFS PANELS AND FLIGHT CONTROL PANELS, NO FAULTS. OVERHEAD CB PANEL INSP'D AND CKD OK. REMOVED AND REPLACED EPCU. REPLACED ALL 3 COALESCER BAGS INSP THE COCKPIT WINDSHIELD HEAT ELECTRICAL WIRE, THE AV COMPT AND LWR FWD CARGO TEMP CONTROL VALVE RT SIDE. EMERG LIGHTS CKD OK.