What was found
UPPER DECK LEFT HAND ESCAPE DOOR AIRCRAFT BOTTLE IS EMPTY. TRANSFERRED TO DMI # 100069110 IN ACCORDANCE WITH B747-400 MEL 52-23-1-3A CATEGORY C DUE 05/29/23 MAINTENANCE PROCEDURES COMPLIED WITH PLACARDS INSTALLED. REFERENCE DMI # 100069110 UPPER DECK LEFT HAND EMERGENCY SLIDE INOP. REMOVED AND REPLACED UPPER DECK LEFT HAND EMERGENCY SLIDE ASSEMBLY IN ACCORDANCE WITH B747-400 AMM 25-68-01 ALL CHECKS GOOD THIS CLEARS DMI 100069110 PLACARDS REMOVED