What was found
AT FL 360 NR 1 OIL PRESS DROPPED TO 24 PSI, NEVER BELOW READ LINE, 5 MINUTES LATER OIL QTY READ 0, BELOW 10,000 FT. OIL QTY & OIL PRESS STARTED TO RETURN TO NORMAL. OIL QTY & AT GATE 94%. PREFORMED EEC BITE TEST IAW 73-21-00-740-8030, NO FAULT CODES PRESENT. PERFORMED ENG RUN IAW 71-00-00, NO DEFECTS ON RUN, VERIFIED ENG OIL FULL. ACFT OK FOR SERVICE.