As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG SMELL REPORTED BY FLIGHT ATTENDANTS AND NOTICED ALL THE WAY IN THE COCKPIT. SMELLED LIKE RUBBER FROM TIRES. THIS OCCURED RIGHT AFTER GEAR RETRACTION AND VERY QUICKLY DISSAPATED. REPLACED LANDING GEAR CONTROL VALVE. LEAK CHECKS GOOD. PERFORMED OPERATION 5088 DUCT BURNOUT