Narrative:

Note aircraft number paperwork releases, MEL, showed -a engines while there were actually -B engines installed on the aircraft. Note performance on -B better than -a's and fuel burn actually less than shown on all paperwork. Engineering had not put in dispatch's computer the change therefore releases showed -B engines while aircraft had -a engines.

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Original NASA ASRS Text

Title: MLG ACFT DISPATCH RELEASE DID NOT SHOW THE LATEST ENG MODEL CHANGE.

Narrative: NOTE ACFT NUMBER PAPERWORK RELEASES, MEL, SHOWED -A ENGS WHILE THERE WERE ACTUALLY -B ENGS INSTALLED ON THE ACFT. NOTE PERFORMANCE ON -B BETTER THAN -A'S AND FUEL BURN ACTUALLY LESS THAN SHOWN ON ALL PAPERWORK. ENGINEERING HAD NOT PUT IN DISPATCH'S COMPUTER THE CHANGE THEREFORE RELEASES SHOWED -B ENGS WHILE ACFT HAD -A ENGS.

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.