What was found
WHILE IN CRUISE RT ENG LOW OIL PSI LIGHT CAME ON WITH NO OTHER ABNORMALITIES NOTED, IE LOUD BANG FLUX IN PWR, LOOKED OIL PSI GAUGE NOTICED GAUGE RAPIDLY DECREASING TO ZERO. REACHED FOR EMCK LIST NOTICED TORQUE GOING TO ZERO PROCEEDED TO EMER MEM ITEMS. SECURED RT ENG, EMER DECLARED. TROUBLE SHOT TO RT ENG PWR SECTION HIGH PRESS OIL LINE ELBOW, BROKEN VERIFIED ENG WAS 6 QUARTS LOW BY ADDING 6 QUARTS OF OIL WHICH BROUGHT OIL LEVEL TO 2 BELOW. TURN ENG OVER VERIFIED OIL LEAKING FROM PSI HIGH PRESS LINE ELBOW. PULLED RGB CHIP DETECTOR & VERIFIED NO METALLIC DEBRIS PULLED PS, STRAINER & FOUND NO METALLIC DEBRIS. INSTALLED NEW HIGH PRESS OIL LINE ELBOW & O RINGS. REINSTALLED CHIP DETECTOR, OIL STRAINER & OIL FILTER. RAN ENG FOR 10 MINUTES AT 80% POWER, VERIFIED NO FLUCTUATION IAW MCP 5.12.0 SECT B & MM 72-00-00. INSPECTED CHIP DETECTOR & OIL STRAINER AFTER THE RUN AT 80% FOUND NO METALLIC DEBRIS FOUND. REINSTALLED CHIP DETECTOR & OIL STRAINER & SAFETIED BOTH. REINSTALLED NEW OIL FILTER & O RING IAW MM 72-0-00 SECTION R ITEM D. MX REPLACED THE ENG SN OFF 114357/114267.