Narrative:

On a flight from bos to isp we noticed a fuel cap was missing on the right outboard wing. It was noticed when traffic was called in-flight. When we arrived at destination, maintenance was called and a ferry flight was permitted to our home base.

Google
 

Original NASA ASRS Text

Title: COMMUTER FLC DEPARTED WITHOUT R OUTBOARD FUEL CAP IN PLACE. ACFT EQUIP PROB CRITICAL.

Narrative: ON A FLT FROM BOS TO ISP WE NOTICED A FUEL CAP WAS MISSING ON THE R OUTBOARD WING. IT WAS NOTICED WHEN TFC WAS CALLED INFLT. WHEN WE ARRIVED AT DEST, MAINT WAS CALLED AND A FERRY FLT WAS PERMITTED TO OUR HOME BASE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.