As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3827 - AFTER GEAR RETRACTION, NOSE GEAR INDICATED UNSAFE AND NOSE GEAR DOORS INDICATED OPEN. CREW PERFORMED ALTERNATE GEAR EXTENSION AND RETURNED TO SCE WITHOUT INCIDENT. REMOVED AND REPLACED NOSE DRAG STRUT PROXIMITY SWITCH. RETRACTION AND OPERATIONAL TESTS NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)