Narrative:

Upon landing on runway xxr at ZZZ; I exited on taxiway 1 and turned left at taxiway 2. The controller asked my parking spot. I replied 'company X.' controller gave me taxi instructions and I replied 'taxiway 3; taxiway 4; cross runway Y; into parking.' at intersection of taxiway 2 and taxiway 3; I turned left instead of right and taxied across runway xxl. There was aircraft Y on departure from runway xxr already past me. Once I realized my mistake of turning left on taxiway 3 instead of right; I stopped and told the ground controller.

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Original NASA ASRS Text

Title: Pilot and Controller reported a runway incursion due to the pilot misunderstanding of ATC's clearance.

Narrative: Upon landing on Runway XXR at ZZZ; I exited on Taxiway 1 and turned left at Taxiway 2. The Controller asked my parking spot. I replied 'Company X.' Controller gave me taxi instructions and I replied 'Taxiway 3; Taxiway 4; cross Runway Y; into parking.' At intersection of Taxiway 2 and Taxiway 3; I turned left instead of right and taxied across Runway XXL. There was Aircraft Y on departure from Runway XXR already past me. Once I realized my mistake of turning left on Taxiway 3 instead of right; I stopped and told the Ground Controller.

Data retrieved from NASA's ASRS site 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.