What was found
AFTER GEAR RETRACTION WE HAD RT RED GEAR LIGHT WITH GEAR HANDLE UP. AFTER QRH PROCEDURE, NOW HAD RT GEAR & NOSE GEAR RED LIGHT WITH GEAR HANDLE UP. ALSO HAD AN AUTO SPOILER FAIL MGS. ADJUSTED RT MAIN GEAR LATCH MECHANISM IAW MM 32-31-04. PERFORMED PROXIMITY SENSOR TEST, NLG PROXIMITY SENSORS PASSED, RT MAIN GEAR DOOR SENSOR FAILED. R & R RT MAIN GEAR DOOR PROXIMITY SENSOR IAW MM 32-60-05. AUTO SPOILER FAIL MSG INDUCED BY RED UNSAFE INDICATION. AUTO SPOILERS OK IAW MM 27-60-00. PERFORMED MULTIPLE EXTENSION & RETRACTION TEST OF ALL 3 GEAR IAW MM 32-30-00. ALL CHECKED NORMAL.