What was found
NOSE AMBER DOOR ANNUNCIATOR STAYED ILLUMINATED AFTER GEAR RETRACTION. REMOVED AND REPLACED NOSE LANDING GEAR DOOR MECHANICAL SEQUENCE VALVE AND NOSE LANDING GEAR RETRACTION ACTUATOR. SERVICED HYDRAULIC SYSTEM AND PERFORMED RETRACTION TEST. OPERATIONAL AND LEAK CHECK PROVED SATISFACTORY IAW DHC MM CHAPTER 32. A/C RETURNED TO SERVICE. REFERENCE PCAA9600312.