What was found
DEBRIEFED CREW, 28K FEET AT 280 KNOTS, ON ACCELERATION ON ECAM "AFT EMERGENCY EXIT LEFT" INDICATED OPEN PRESSURATION STARTED TO GO DOWN 200FT AND BACK TO 400 FEET UP, FLUCTUATED 3 TIMES, ALSO DOOR PRESS LIGHT ILUMINTED ON EMERGENCY EXIT DOOR ALSO NO STATUS MESSAGES PRESENT. FOUND PROX SWITCH DIMENSION "E" OUT OF RIG. ADJUSTED PROX SWITCH TARGET REF AMM 52-71-13. PRESSURIZED AC TO 4 PSI AND CHECKED FOR LEAKS. DURING PRESSURIATION, NO FAULTS OR ECAM MESSAGES