As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO JAX, THE NOSE LANDING GEAR DID NOT EXTEND NORMALLY. COMPLIED WITH COM PROCEDURES AND NOSE GEAR EXTENDED USING ALTERNATE (MANUAL) METHOD. AN UNEVENTFUL LANDING WAS MADE. MAINTENANCE REPLACED THE NOSE LANDING GEAR BUNGEE CYLINDER AND RESHIMMED THE PROXIMITY SENSOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.