As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR FAILED TO RETRACT ON DEPARTURE. RAN CHECKLIST. BLOWDOWN BOTTLE USED. CORRECTIVE ACTION: REMOVED FAILED NLG POWER STEERING SYSTEM PN:9914650-2 SN:0452, INSTALLED CUSTOMER SUPPLIED OVERHAULED NLG POWER STEERING SYSTEM PN:9914650-2 SN:0191. OPERATIONAL AND LEAKS CHECKS ARE GOOD REF CE680 AMM 32-50-00.