What was found
OIL PRESSURE LINE FROM ENGINE TO THE FITTING ON THE AFT BAFFLE BROKE OFF AT THE FLARE. CONSEQUENTLY, LOST OIL PRESSURE AND ALL BUT ONE-HALF QUART OF ENGINE OIL. AFTER SAFE LANDING, OIL FILTER WAS CUT OPEN BY MECHANIC AND FOUND METAL CONTAMINATION. ENGINE DETERMINED UNAIRWORTHY. ACFT TT: 8,434 HOURS.