What was found
DURING GEAR EXTENSION, THE NOSE GEAR DOOR LIGHT FLICKERED OFF AND ON AND NEVER TURNED GREEN. RECYCLED GEAR AND GOT A GREEN DOWN AND LOCKED INDICATION. CLEANED NOSE GEAR DOOR SWITCH PLUNGERS AND C/P'S ON GEAR UPLOCK AND DOWNLOCK MICROSWITCHES. GREASED TRUNNION AND RETRACT ACTUATOR. JACKED AIRCRAFT IAW 727 M/M CH 7-11-0, PAGES 200-208 AND SWUNG NOSE GEAR ONLY IAW CH 32-30. DURING FIVE SWINGS ALL INDICATIONS OPERATED NORMALLY. AIRCRAFT READY FOR CONTINUED SERVICE.