As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3828: UPON GEAR RETRACTION, GEAR HANDLE LIGHTS DID NOT ILLUMINATE, NO OTHER ABNORMAL INDICATIONS. ALTERNATE GEAR EXTENSION PERFORMED. MAINTENANCE INSPECTED AND FOUND THE PSEU TO BE AT FAULT. REPLACED PSEU, OPERATIONALLY CHECKED GOOD AND RETURNED THE AIRCRAFT TO SERVICE.