Narrative:

Location: cun/041/90. At FL350 in contact with both merida and cuba. Requested lower altitude. Received clearance to FL140. Began descent. Realized clearance was issued by merida although aircraft still in cuban airspace. Contacted havana who had us contact merida.

Google
 

Original NASA ASRS Text

Title: B727 ACFT IN CRUISE BTWN MERIDA AND CUBA, FLC REQUESTED LOWER ALT AND CLRED TO 14000 FT. AFTER BEGINNING DSCNT, FLC REALIZED THEY WERE STILL IN CUBAN AIRSPACE. CONTACTED THE CUBAN CTLR WHO HAD THEM CONTACT MERIDA.

Narrative: LOCATION: CUN/041/90. AT FL350 IN CONTACT WITH BOTH MERIDA AND CUBA. REQUESTED LOWER ALT. RECEIVED CLRNC TO FL140. BEGAN DSCNT. REALIZED CLRNC WAS ISSUED BY MERIDA ALTHOUGH ACFT STILL IN CUBAN AIRSPACE. CONTACTED HAVANA WHO HAD US CONTACT MERIDA.

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.