Narrative:

The approach; landing; and rollout were good. When cleared to depart the runway I felt the aircraft was traveling slowly enough to exit on to the taxiway. I was still applying some braking action; the aircraft was traveling approximately 15-20 mph which apparently was still too fast to maintain the correct track on the taxiway centerline. Although; initially I felt I had the aircraft under control; when I recognized the aircraft was still traveling too fast; it was too late to avoid running off the taxiway and into the grass. The approach; landing; wind; WX; length of the runway; and traffic were not a factor. The aircraft propeller was damaged with a nick approximately 5/32 of an inch on one blade and 4 of the breakaway taxiway lights were knocked down. After an inspection of the aircraft we taxied to a parking spot and tied the aircraft down. We felt the nick may present a safety hazard and should be inspected by a mechanic. Supplemental information from acn 703104: although speed at start of turn seemed faster than normal; student was experienced and familiar with operation of cherokee 140. In hindsight; I allowed myself to become too complacent with this phase of operation; and did not fully recognize the developing situation until too late to avoid running off of taxiway pavement.

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Original NASA ASRS Text

Title: P28 PLT HAS A TXWY EXCURSION AND STRIKES TXWY LIGHTS AT HLG.

Narrative: THE APCH; LNDG; AND ROLLOUT WERE GOOD. WHEN CLRED TO DEPART THE RWY I FELT THE ACFT WAS TRAVELING SLOWLY ENOUGH TO EXIT ON TO THE TXWY. I WAS STILL APPLYING SOME BRAKING ACTION; THE ACFT WAS TRAVELING APPROX 15-20 MPH WHICH APPARENTLY WAS STILL TOO FAST TO MAINTAIN THE CORRECT TRACK ON THE TXWY CTRLINE. ALTHOUGH; INITIALLY I FELT I HAD THE ACFT UNDER CTL; WHEN I RECOGNIZED THE ACFT WAS STILL TRAVELING TOO FAST; IT WAS TOO LATE TO AVOID RUNNING OFF THE TXWY AND INTO THE GRASS. THE APCH; LNDG; WIND; WX; LENGTH OF THE RWY; AND TFC WERE NOT A FACTOR. THE ACFT PROP WAS DAMAGED WITH A NICK APPROX 5/32 OF AN INCH ON ONE BLADE AND 4 OF THE BREAKAWAY TXWY LIGHTS WERE KNOCKED DOWN. AFTER AN INSPECTION OF THE ACFT WE TAXIED TO A PARKING SPOT AND TIED THE ACFT DOWN. WE FELT THE NICK MAY PRESENT A SAFETY HAZARD AND SHOULD BE INSPECTED BY A MECH. SUPPLEMENTAL INFO FROM ACN 703104: ALTHOUGH SPD AT START OF TURN SEEMED FASTER THAN NORMAL; STUDENT WAS EXPERIENCED AND FAMILIAR WITH OP OF CHEROKEE 140. IN HINDSIGHT; I ALLOWED MYSELF TO BECOME TOO COMPLACENT WITH THIS PHASE OF OP; AND DID NOT FULLY RECOGNIZE THE DEVELOPING SITUATION UNTIL TOO LATE TO AVOID RUNNING OFF OF TXWY PAVEMENT.

Data retrieved from NASA's ASRS site as of January 2009 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.