A B737-700 WAS DISPATCHED IN NON COMPLIANCE WITH THE PNEUMATIC ACCESS DOOR REMOVED AND DEFERRED PER THE MEL WHICH LATER WAS FOUND IN ERROR.

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ON FEB/FRI/00; ISSUED A MEL/CDL 52-40-05 ENABLING MAINT TO REMOVE A GND PNEUMATIC CONNECTION DOOR AND FLY WITH PERFORMANCE PENALTY PER MEL/CDL REVISION #56 REVISED JUL/WED/99; AND FAA APPROVED JAN/TUE/00 (PMI 'PRIMARY FAA MAINT INSPECTION' ABC XYZ). THIS WAS A NEWLY REVISED MEL/CDL. THERE WAS A QUESTION AS TO MEL/CDL EFFECTIVELY FOR THE 700/800 FLEET; DUE TO PREVIOUS REVISION NOT INCLUDING THE 700/800'S. COMPANY ENGINEERING DEPT WAS CONTACTED AND ALSO COMPANY DISPATCH. ALL APPROVED/AGREED THAT THE WAY THE MEL/CDL READ REVISED; ACFT COULD BE DISPATCHED UNDER CDL 52-40-05; AND SO IT WAS. NOW 6 DAYS LATER I AM BEING TOLD THERE WAS A MISTAKE ON REVISION AND THAT IT IS CURRENTLY BEING ADDRESSED PER COMPANY AND FAA POLICY. THIS REVISED DOCUMENT WAS/IS MY AUTH TO RELEASE ACFT UNDER MEL/CDL. EVEN THOUGH THERE WAS A QUESTION ABOUT THE REVISION (FAA APPROVED AND COMPANY RELEASED/APPROVED). SO ACFT WAS DISPATCHED. CURRENTLY I AM TOLD MANUAL/DOCUMENT IS BEING ADDRESSED/CORRECTED FOR THIS REVISION ERROR. ALSO ACFT'S DEFERRED ITEM HAS BEEN ADDRESSED AND CDL HAS BEEN REMOVED.