As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF WITH GEAR HANDLE IN THE UP POSITION, ALL RED GEAR LIGHTS REMAINED ILLUMINATED ON THE PRIMARY AND SECONDARY INDICATORS. PER QRH INSTRUCTIONS, LOWERED GEAR AND GOT ALL GREEN INDICATIONS; RAISED GEAR AND RECEIVED ALL NORMAL INDICATIONS. REMOVED AND REPLACED PSEU IN REF TO AMM 31-71-01-2. OPS CHECK GOOD. A/C OK TO CONTINUE.