As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRPLANE YAWED TO THE LEFT ON TAKE OFF, SUSPECT A FLAT TIRE. PASSENGER HEARD GRINDING. INSPECTED LANDING GEAR WHEEL AND TIRE ASSEMBLIES, AND FOUND NO DEFECTS, EXCLUDING NORMAL TREAD WEAR. PERFORMED GVI OF FUSELAGE AND TIRES. ACFT OK FOR SERVICE. FOUND THE NR 1 ENGINE BLEED VALVE CLOSED. R & R THE NR 1 ENGINE BLEED AIR REGULATOR. UNLOCKED PRSOV. OPS CHECKED GOOD.