What was found
NR 1 ENGINE OIL QTY WENT TO ZERO INFLIGHT. ABOUT 10 MINUTES LATER, THE OIL PRESSURE DECREASED. SHUTDOWN THE ENGINE. EMERGENCY DECLARED. FOUND THE NR 1 ENGINE STARTER BAND CLAMP BROKEN. STARTER MOVED AWAY FROM GEARBOX AND LOST THE OIL. CREW STATED ENGINE OIL PRESSURE NOT BELOW 15 PSI. REMOVED AND REPLACED THE NR 1 ENGINE STARTER AND INSTALLED NEW CLAMPS AND PACKINGS. IAW AMM 80-11-01-400-801-F00, AND AMM 71-00-00-800-811-F00, TEST 1 AND 3A. RAN ENGINE AT 80 PERCENT FOR 5 MINUTES AND INSPECTED. NO LEAKS NOTED AND ENGINE PARAMETERS WERE ALL NORMAL. NO OTHER LEAKS NOTED.