What was found
DURING INSPECTION MAINTENANCE DISCOVERED R4 DOOR EMERGENCY DOOR ASSIST BOTTLE PRESSURE AT ZERO. REPLACED R4 DOOR ASSIST BOTTLE PER B757 AMM 52-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING INSPECTION MAINTENANCE DISCOVERED R4 DOOR EMERGENCY DOOR ASSIST BOTTLE PRESSURE AT ZERO. REPLACED R4 DOOR ASSIST BOTTLE PER B757 AMM 52-11.