What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) After take-off from 28C, the landing gear would not retract. The landing gear was then extended to down and locked and the aircraft returned to the airport for a normal landing on 28L. Investigation by jet car (412-812-3276) found ice accumulation on the nose landing gear up stop pads. The ice was removed and the aircraft returned to service. Contacted by phone privacy data omitted, pit ground maintenance supervisor. At the time of the incident, snow removal was taking place throughout the airport. Snow removal on runway 28C was completed at 2117E.
As the FAA filed it
(-23) AFTER TAKE-OFF FROM 28C, THE LANDING GEAR WOULD NOT RETRACT. THE LANDING GEAR WAS THEN EXTENDED TO DOWN AND LOCKED AND THE AIRCRAFT RETURNED TO THE AIRPORT FOR A NORMAL LANDING ON 28L. INVESTIGATION BY JET CAR (412-812-3276) FOUND ICE ACCUMULATION ON THE NOSE LANDING GEAR UP STOP PADS. THE ICE WAS REMOVED AND THE AIRCRAFT RETURNED TO SERVICE. CONTACTED BY PHONE ^PRIVACY DATA OMITTED^, PIT GROUND MAINTENANCE SUPERVISOR. AT THE TIME OF THE INCIDENT, SNOW REMOVAL WAS TAKING PLACE THROUGHOUT THE AIRPORT. SNOW REMOVAL ON RUNWAY 28C WAS COMPLETED AT 2117E.