Narrative:

Gear disagreed warning message; landing gear would not retract after takeoff. After departing runway xxr at ZZZ; gear would not retract. Attempted several times; would not retract. Ran the QRH for gear disagree in the up position. Landing gear stayed down and locked throughout the entire event; hydraulic 3a & b pumps will working with 3;000 psi in system. With gear handle down; gear disagree warning message. Extinguished; all gear down and locked in green; system normal. Contacted maintenance; advised of situation; recommended return to ZZZ.

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Original NASA ASRS Text

Title: CRJ-900 Captain reported that the landing gear would not retract after takeoff; resulting in a return to the departure airport.

Narrative: Gear disagreed warning message; landing gear would not retract after takeoff. After departing Runway XXR at ZZZ; gear would not retract. Attempted several times; would not retract. Ran the QRH for gear disagree in the up position. Landing gear stayed down and locked throughout the entire event; hydraulic 3a & b pumps will working with 3;000 PSI in system. With gear handle down; gear disagree warning message. Extinguished; all gear down and locked in green; system normal. Contacted Maintenance; advised of situation; recommended return to ZZZ.

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.