AN AIRBUS 320 WAS DISPATCHED IN NON COMPLIANCE WITH #1 SPOILER AND SYMMETRICAL SPOILER RENDERED INOP PER MEL INCORRECTLY. SPOILERS FLOATED INFLT.

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AFTER CONSULTATION WITH FLT CREW AND MAINT CTL; PROCEEDED TO DEACTIVATE #1 SPOILERS (MOST INBOARD ON EACH WING). A SPECIAL CAUTION TO ENSURE THAT THE SPOILER WAS NOT LEFT IN THE MAINT POS DURING DEACTIVATION AS THE SPOILER WILL FLOAT INFLT; POSSIBLE DAMAGE TO ACFT COULD RESULT. I DEACTIVATED SPOILERS AND STOWED ELECTRICAL PLUGS; BUT FAILED TO CORRECTLY ALIGN THE STOP ON THE HEX HEAD TO THE '0' POS AS SPECIFIED IN AMM 27-64-01; PAGE 4; (REVISION 49) STEP 10. IN RETROSPECT; I SHOULD HAVE PHYSICALLY CHKED THE SPOILERS THAT WERE DEACTIVATED WITH HYD PRESSURE APPLIED TO ENSURE NO 'FLOAT' WAS POSSIBLE. THIS EXTRA TIME WOULD HAVE PREVENTED REWORK AND POSSIBLE DAMAGE TO EQUIP; OR MORE IMPORTANTLY; THE POTENTIAL INJURY OR LOSS OF LIFE TO CREW/PAX OR PERSONNEL ON THE GND ON THE APCH PATH. AN ECAM MESSAGE WAS HOW THIS PROB AROSE (SPOILER #1 INOP). AFTER MY WORK; ON FINAL APCH INTO ZZZ1 FLAPS LOWERED FROM 3 DEGS TO FULL; CAUSED VIBRATION. WITH FLAPS RETURNED TO 3 DEGS; VIBRATION REDUCED; BUT STILL PRESENT DUE TO SPOILER FLOAT. ZZZ1 MAINT PERSONNEL CORRECTLY REPOSITIONED HEX TO '0' POS AND ACFT WAS DISPATCHED WITHOUT FURTHER INCIDENT. THE SPOILER TEST SPECIFIED IN AMM AND ECAM DISPLAY IN AMBER MET PARAMETERS FOR DISPATCH. ADDING THE REQUIREMENT TO PHYSICALLY VERIFY NO SPOILER MOVEMENT IN ADDITION TO TEXT; COULD PREVENT RECURRENCE. ALTHOUGH SUPPLIED WITH CMM BY MAINT CTL; PERHAPS BEING IN A HURRY TO GET THE AIRPLANE PUSHED WAS THE GREATEST CAUSAL FACTOR. TIME SPENT (WASTED) LOOKING FOR DEACTIVATION TOOL PRIOR TO CONFIRMING ACTUATOR CONFIGN ATE UP VALUABLE TIME THAT WOULD HAVE BEEN BETTER SPENT DOUBLE-CHKING MY WORK. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ELECTRICAL PLUGS ON THE SPOILER ACTUATORS WERE STOWED; BUT THE STOP ON THE HEX HEAD WAS NOT CORRECTLY ALIGNED TO THE '0' POS PER THE MEL PROCS. THE RPTR SAID I DID NOT PRESSURIZE THE HYDS AND MAKE AN OPERATIONAL CHK OF THE SPOILERS CHKING FOR FLOAT.