A320 flight crew reported returning departure airport after the landing gear failed to retract.

Attributes
ACN	1518239
Time
Date	201802
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Landing Gear
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Total 32000
Person 2
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

Departed and [landing gear] failed to retract. [Advised ATC] and returned to field. All flight phases and landing were uneventful. Aircraft returned to maintenance. [Landing gear] shock absorber fault on ECAM; preventing gear retraction.

Original NASA ASRS Text

Title: A320 flight crew reported returning departure airport after the landing gear failed to retract.

Narrative: Departed and [landing gear] failed to retract. [Advised ATC] and returned to field. All flight phases and landing were uneventful. Aircraft returned to Maintenance. [Landing gear] shock absorber fault on ECAM; preventing gear retraction.

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.