Narrative:

Landed after uneventful flight. As I taxied to ramp, I thought a bird almost hit my windshield. Turned out to be the cowl oil injection door! Told ground and they advised airport operations who retrieved it for me. It appears the pin in the latch failed. Into maintenance tomorrow!

Google
 

Original NASA ASRS Text

Title: PA28 PLT HAS OIL INSPECTION DOOR IN COWL DEPART ACFT AFTER LNDG AT CDW.

Narrative: LANDED AFTER UNEVENTFUL FLT. AS I TAXIED TO RAMP, I THOUGHT A BIRD ALMOST HIT MY WINDSHIELD. TURNED OUT TO BE THE COWL OIL INJECTION DOOR! TOLD GND AND THEY ADVISED ARPT OPS WHO RETRIEVED IT FOR ME. IT APPEARS THE PIN IN THE LATCH FAILED. INTO MAINT TOMORROW!

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.