Narrative:

ZBW cleared us to 16000', however ZNY did not get this information and reclred us back to 20000'. No evasive action required.

Google
 

Original NASA ASRS Text

Title: LTT RECEIVED CLRNC TO DESCEND TO 16000' FROM ZBW, BUT ZBW FAILED TO PASS THE CLRNC ALONG TO ZNY, SO ZNY HAD THE ACFT CLIMB BACK TO FL200.

Narrative: ZBW CLRED US TO 16000', HOWEVER ZNY DID NOT GET THIS INFO AND RECLRED US BACK TO 20000'. NO EVASIVE ACTION REQUIRED.

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.