Narrative:

Aircraft entered adjoining airspace without proper handoff. No other traffic was in the vicinity, all agreements, altitude wise, were adhered to.

Google
 

Original NASA ASRS Text

Title: ARTCC CTLR FAILED TO PROVIDE HDOF FOR A B737-300.

Narrative: ACFT ENTERED ADJOINING AIRSPACE WITHOUT PROPER HDOF. NO OTHER TFC WAS IN THE VICINITY, ALL AGREEMENTS, ALT WISE, WERE ADHERED TO.

Data retrieved from NASA's ASRS site as of July 2007 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.