As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - INFLIGHT ON GEAR RETRACTION NOSE GEAR INDICATOR REMAINED RED. DOORS REMAINED OPEN (AIR NOISE). NOSE LANDING GEAR INDICATED RETRACTED. STALL INDICATED FAILURE AND AUTO SPOILER DO NOT USE ILLUMINATED. PERFORMED FULL STRUT SERVICE. JACKED NOSE GEAR AND SWUNG NOSE GEAR SEVERAL CYCLES. ADJUSTED NOSE GEAR LOCK SENSOR GAP. SYSTEM GROUND CHECKED NORMAL OPERATION.