What was found
AFTER GEAR RETRACTION UNLOCK LIGHT STAYED ON. CYCLED THE GEAR WITH SAME INDICATION PLUS HDY PRESS ANNUNCIATOR REMAINED ON. EXERCISED CHECKLIST PROCEDURE AND THEN EXTENDED GEAR WITH ALL INDICATIONS NORMAL. TROUBLESHOT SYSTEM, RANG OUT 3 UPLOCK SWITCHES, ALL OPS CHECKED NORMAL. MEASURED NLG STRUT AT 9.8 INCH IS WITHIN LIMITS. PLACED AIRCRAFT ON JACKS AND PERFORMED GEAR SWING ALL CHECKED GOOD IAW MM CHAPTER 32-30-05 AND 30-60-01.