What was found
WHILE IN CRUISE, WE WERE VMC ON TOP OF A CLOUD DECK, EXPERIENCED A NR 2 ENGINE CHIP LIGHT. IMMEDIATELY, NR 2 ENGINE SHUTDOWN. NR 1 AUTOPILOT ALSO DROPPED OFF LINE. EMERGENCY WAS DECLARED AND SINGLE ENGINE INSTRUMENT ILS APPROACH WAS ACCOMPLISHED. WEATHER AT THE TIME WAS ABOUT 700 FT OVC WITH 5 MILES VISUAL. INSPECTION REVEALED CONTAINED ENGINE FAILURE WITH A SIGNIFICANT AMOUNT OF METAL DEBRIS ON ACCY GB MECHANICAL CHIP PLUG. THIS ENGINE HAD ONLY 79 HOURS ON IT SINCE RETURN FROM MFG FOR REPAIR DUE TO METAL CHIPS. NR 1 ENGINE EXPERIENCED A 30 SEC POWER EXCURSION DURING ENGINE FAILURE, REQUIRING IT'S REMOVAL AS WELL. SPECULATION WOULD INDICATE A FAULTY REPAIR.