Ce-750 flight crew reported an near midair collision event during cruise.

Attributes
ACN	1745001
Time
Date	202006
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	Citation X (C750)
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Person 1
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Captain Pilot Flying
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Events
Anomaly	Conflict NMAC Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance

Narrative:

In cruise flight received RA to climb. We complied with the RA and climbed to 8500 until clear of conflict and descended back to 8000. Separation was only 300 ft. These types of events are difficult to prevent.

Original NASA ASRS Text

Title: CE-750 flight crew reported an NMAC event during cruise.

Narrative: In cruise flight received RA to climb. We complied with the RA and climbed to 8500 until clear of conflict and descended back to 8000. Separation was only 300 ft. These types of events are difficult to prevent.

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.