B737 Undifferentiated or Other Model
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 169; Flight Crew Type 2973
Distraction; Situational Awareness
Ground Event / Encounter Other / Unknown
General None Reported / Taken
Airport
The rubber deposits on Runway 28C need to be removed. The runway markings are difficult to see when landing.
B737 Captain reported runway markings at ORD airport are difficult to see during landing due to rubber deposit buildup.