What was found
ROA - FLT 4009 - EN ROUTE CLE FROM RDU, CREW REPORTED NR 1 ENGINE IN FLIGHT SHUTDOWN, OIL PRESSURE ERRATIC, OIL QUANTITY AT TWO QUARTS AIRCRAFT DIVERTED TO ROA AND LANDED UNEVENTFULLY. MAINTENANCE DISPATCHED TO T/S AND FOUND LEAKING NR 1 ENGINE AIR STARTER. MAINTENANCE REMOVED AND REPLACED AIR START GENERATOR. (M)