TAXIING ACFT WITH POOR TXWY LIGHTS HAS MAIN GEAR LEAVE THE TXWY. ACFT DAMAGED.

Narrative

UPON LNDG AND EXITING THE RWY ONTO THE TXWY THAT IS MARKED BY A BLUE LIGHT ON EACH SIDE. THERE IS NO OTHER TXWY LIGHTING INTO OR AROUND THE RAMP AREA. THERE IS A SMALL MERCURY VAPOR LIGHT AT THE OFFICE AREA. THERE WAS A PLANE TIED DOWN IN APPROX THE MIDDLE OF THE N RAMP AREA. WITH THE INTENTION TO TAXI BEHIND THE TETHERED PLANE AND PARK IN THE LIGHTED AREA AND INTO THE WIND NEXT TO THE OFFICE FOR EASIER DEPLANING OF PATIENT AND PARENT. THE R MAIN GEAR DROPPED OFF THE TXWY; PROMPT UP ELEVATOR WAS APPLIED (PULLING BACK ON THE CTL WHEEL) AND PWR WAS APPLIED TO THE ENG TO RETURN TO THE TXWY WHICH WAS DONE WITH EASE. AFTER DEPLANING PATIENT AND PARENT AND GETTING THEM TO THEIR CAR AND ON THEIR WAY HOME; RETURNING TO THE PLANE GRASS WAS OBSERVED ON THE TIE-DOWN EYE ON THE BOTTOM OF TAIL SECTION. I GOT A FLASHLIGHT FOR CLOSER EXAMINATION. THERE WERE SIGNS OF STRESS; CRACKED PAINT ON THE R HORIZ STABILIZER. OPS OFFICER; WAS CALLED AND ADVISED OF THE SIT. IT WAS DECIDED THAT ACFT WAS SAFE TO FLY BACK TO KANSAS CITY. THE NEXT MORNING; IN DAYLIGHT; IT WAS DETERMINED THAT THERE WAS MORE DAMAGE THAN ORIGINALLY THOUGHT. AT THIS TIME; AWAITING AN ADJUSTERS EXAMINATION TO DETERMINE STEPS TO GET ACFT BACK INTO SVC. THERE WERE NO DENTS OR IMPACT POINTS ON THE LEADING EDGE OR UNDER SIDE AS CAN BE SEEN IN PHOTOS.