Service bulletin: Reserve Container Reinforcement
Inspect the lower inside corners of the reserve containers. See Fig. 1 for location of bartack. On earlier systems there was one bartack at each lower corner. (FIG 1-A) On later models there were two at each corner. (FIG. A&B) If the bartacks are in place, the assembly may be returned to service. If they are missing, the assembly is grounded until the container is modified according to Rigging Innovations Product Modification Procedure # 1235.
See the service bulletin file for more information.