As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN TAXING ON TO RUNWAY NOSE WHEEL STEERING BECAME IMPOSSIBLE NR 1 HYD SYSTEM FELL TO 4 GALLONS. NO SYSTEM PRESSURE WITH ADP ON. ENG PUMP OPERATING. ENGINE PUMP DEPRESSURIZED-SUPPLY OFF. QTY DROPPED TO 2 GALLONS. A/C TOWED OFF RUNWAY. FOUND BODY GEAR SELECTOR VALVE IN LT BODY GEAR WELL LEAKING AND VALVE BODY CRACKED. LT WHEEL WELL BODY GEAR SELECTOR VALVE REPLACED IAW AMM 32-31-03. HYD SYSTEM 1 REPLENISHED FUNCTION AND LEAK CHECK FOUND SATIS.