As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN GEAR WAS SELECTED UP, THE RT MAIN DID NOT RETRACT. THE LT AND NOSE GEAR INDICATED RETRACTED. THE RT GEAR HAD A RED INTRANSIT LIGHT WITH NO GEAR DOOR INDICATION. FOUND THE RT UPLOCK PROXIMITY SENSOR BAD. REMOVED AND REPLACED SENSOR, SWUNG GEAR AND BLED SYSTEM. SYSTEM CHECKS GOOD. ACFT RETURNED TO SERVICE. (W)