What was found
PILOT REPORTED THAT COWLING STUDS WERE LOOSE WHEN FASTENED. INSPECTED AND FOUND ENGINE COWL STUDS TO BE TOO LONG. REMOVED AND INSTALLED NEW STUDS, P/N 50-007-15, AND GROMMET, P/N 50-009-2 ( 5 EACH). TWO EACH P /N 50007A26 AND P/N 50007A22.