What was found
L1 SLIDE PACK FELL OUT OF DOOR RECESS WHEN DOOR OPENED FROM OUTSIDE. (DOOR NOT DISARMED FROM PREVIOUS FLIGHT). REPLACED DIAPHRAGM IN L1 DOOR EMERGENCY POWER RESERVOIR PER M.M. 12-15-10-3 & SERVICE SAME TO GREEN BAND PER M.M. 12-15-10-3, REINSTALLED L1 SLIDE PACK BACK IN DOOR COVER PER M.M. 25-66-01-4, SAFETY PIN REMOVED FROM SLIDE AND INSTALLED IN POUCH. VERIFIED NORMAL DOOR ARMING AND CLOSED INDICATION AND SLIDE PRESSURE. A/C OK FOR SERVICE.