What was found
WHILE IN CRUISE RT ENG LOW OIL PSI LIGHT CAME ON WITH NO OTHER ABNORMALITIES NOTED, IE LOUD BANG FLUX IN POWER, LOOKED OIL PSI GAUGE NOTICED GAUGE RAPIDLY DECREASING TO ZERO. REACHED FOR EMER CHECK LIST NOTICED TORQUE GOING TO ZERO PROCEEDED TO EMER MEM ITEMS SECURED RT ENG, EMER DECLARED. SUPPLEMENTAL INFORMATION WILL BE SUBMITTED UPON COMPLETION OF THE REPAIR & RETENTION OF THE PAPERWORK.