As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RETURNED TO BASE WITH NO NOSE STEERING (2ND TIME). NOSE WHEEL STEERING FAULT, FAILURE MESSAGE 6GC, 5GC, AND BSCU CH 2 FAULT. TROUBLESHOOTING FOUND ALL GEAR DOORS WOULD NOT RETRACT. TROUBLESHOT IAW FIM AND WRM. REPLACED SAFETY VALVE 49GA IAW AMM 32-31-17.AND NOSE GEAR SAFETY VALVES 644-0042. ACCOMPLISHED OPS CHECK OF ALL GEAR DOORS NORMAL. ACCOMPLISHED NOSE WHEEL STEERING CHECK IAW MM 32-51-00 OPS NORMAL.