As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 148 - THE RT MLG DOOR DID NOT INDICATE UP AND LOCKED DURING GEAR RETRACTION AFTER TAKEOFF FROM IAD. THE GEAR WAS CYCLED AND THE RT MLG DOOR INDICATED UP AND LOCKED. MAINTENANCE FOUND THE S399 RT GEAR DOOR SWITCH CRACKED. THE GEAR DOOR SWITCH WAS REMOVED AND REPLACED. GEAR OPERATION AND INDICATIONS CHECKED GOOD. (W)