What was found
AIRCRAFT WAS GROUNDED: THE NOSE GEAR DOORS OPENED WHILE ON APPROACH 4,000 AND 3,000 (VERY LOUD WIND NOISE ).THE RED NOSE GEAR, RED GEAR LEFT AND RIGHT RED LIGHT UNSAFE WARNING LIGHTS INTERMITTENTLY ILLUMINATED WITH THE WARNING HORN WHILE THE GEAR HANDLE WAS IN THE OFF POSITION. REMOVED AND REPLACED NLG LOCK ACTUATOR (AALA202507217903), PER AMM 32-33-21. REMOVED AND REPLACED NLG BUNGEE SPRING PER AMM 32-33-52. REMOVED AND REPLACED NLG VALVE MANIFOLD (AALA202508011236), PER AMM 32-33-31. ACCOMPLISHED FIM 32-30-00-810-809. ALL OPERATIONAL CHECKS GOOD.