What was found
FOUND FRESH PUDDLE OF OIL (ABOUT 4 X 7 INCHES) UNDER EXHAUST AREA OF NR 2 ENGINE. RAN NR 2 ENG & FOUND THE SUPPLY OIL LINE THRU NR 10 STRUT AT AFT TURBINE FRAME LEAKING. FOUND 'B' NUT ON OIL SUPPLY LINE LOOSE AT AFT SUMP. TIGHTENED & SECURED & RE-SAFETIED 'B' NUT. CLEANED AREA AROUND LINE. RAN ENG 5 MIN AT IDLE PWR. AFTER SHUTDOWN NO LEAKS WERE NOTED. GROUND VERIFICATION CONFIRMED FIX.