As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL AT FL 360 CLIMBING TO FL 370 LOUD DRAG NOISE FROM FRONT OF AC APEARS NOSE LANDING GEAR DOOR CAME OPEN. C/A-RESET CIRCUIT BREAKER E21 PERFORMED GVI OF LANDING GEAR NO DEFECTS NOTED NO FIX. REMOVED AND REPLACED DOOR SOLENOID VALVE OPTS CHECK GOOD IAW AMM 32-33-01 COMPLIED WITH GEAR SWING IAW AMM 32-30-00.