TH SB BBJ-28-23A MODIFICATION TO PREVENT BATTERY DRAIN. SERVICE BULLETIN RECOMMENDED MOS 21-DEC-1999 - (s) SB BBJ-28-24 THE INSTALLATION OF A CLIP ASSEMBLY IN THE FORWARD CARGO COMPARTMENT TO ALLOW FOR THE PROPER RECOMMENDED REINSTALLATION OF THE FORWARD MOST CARGO NET AT THE CARGO BAY DOOR.. SERVICE B