What was found
DURING OVERNIGHT E-1, LC-1, & SERVICE CHECK INSPECTION, THE AFT SERVICE DOOR PNEUMATIC ASSY PRESSURE WAS FOUND AT 1500 PSI. AFT SERVICE DOOR WAS SERVICED UP 2300 PSI M5523380 WAS GENERATED TO ACCOMPLISH A GVI OF THE PRESSURE ASSY AFTER 24 HRS & REPEATED AT 48 HRS TO DETERMINE IF ASSY IS KEEPING THE SERVICABLE PRESSURE.