Narrative:

During climbout at approximately 20;000; ATC advised that ZZZ tower reported rubber deposits on runway. Only cockpit indication during takeoff; around 100 kts; was an anti-skid light on the auto brakes. Checked system status page and noticed a slowly decreasing 'a' hydraulic system. Ran several QRH checklists and continued to ZZZ1.briefed flight attendants and passengers. [Requested priority handling] with ZZZ1 and opted for low approach to get assessment of tire conditions of left main gear.returned for uneventful landing; stopping on runway for arff (airport rescue and firefighting) inspection. Maintenance pinned gear and towed us to gate.

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Original NASA ASRS Text

Title: B737 Captain reported that ATC advised them of rubber deposits on the runway after they left; crew ran checks and landed at destination; with a tow to the gate.

Narrative: During climbout at approximately 20;000; ATC advised that ZZZ Tower reported rubber deposits on runway. Only cockpit indication during takeoff; around 100 kts; was an anti-skid light on the auto brakes. Checked system status page and noticed a slowly decreasing 'A' hydraulic system. Ran several QRH checklists and continued to ZZZ1.Briefed flight attendants and passengers. [Requested priority handling] with ZZZ1 and opted for low approach to get assessment of tire conditions of left main gear.Returned for uneventful landing; stopping on runway for ARFF (Airport Rescue and Firefighting) inspection. Maintenance pinned gear and towed us to gate.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.