Narrative:

Air carrier X declared an emergency; requesting immediate return to the departure airport and decent to FL210. The aircraft stated that they had a major problem with an engine and that a single engine landing might be required. I advised the r-side to descend the aircraft to FL240 and I would make a point out with sector 10. The r-side turned south bound traffic to increase safety and accommodate the aircraft's immediate return. Sector 10 accepted the point out. R-side issued an airport clearance and a decent to FL200. R-side then issued a left turn to another air carrier to increase separation and to accommodate the air carrier X's decent. Separation was lost while the emergency aircraft was in the turn and descent toward the airport.

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Original NASA ASRS Text

Title: ARTCC Controller described a loss of separation event during attempts to accommodate an emergency aircraft.

Narrative: ACR X declared an emergency; requesting immediate return to the departure airport and decent to FL210. The aircraft stated that they had a major problem with an engine and that a single engine landing might be required. I advised the R-Side to descend the aircraft to FL240 and I would make a point out with Sector 10. The R-Side turned south bound traffic to increase safety and accommodate the aircraft's immediate return. Sector 10 accepted the point out. R-Side issued an airport clearance and a decent to FL200. R-side then issued a left turn to another Air Carrier to increase separation and to accommodate the ACR X's decent. Separation was lost while the emergency aircraft was in the turn and descent toward the airport.

Data retrieved from NASA's ASRS site as of April 2012 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.