TM 10-1670-296-20&P                                                    0005 00 0005 00-25 Table 1.  Preventive Maintenance Checks and Services – continued B – Before D – During A – After INTERVAL ITEM NO. B D A ITEM TO BE CHECKED   OR SERVICED EQUIPMENT NOT READY/ AVAILABLE IF: 37 Y-Connector Mounting Box (C-130, C-141, C-17).  Check for missing components, proper operation of extendable arms, ability to mount Y-connector to both positions, and damage.   Refer to WP 0046 00. Mounting box cannot secure Y- connector. 38 Y-Connector Mounting Box (C-5).  Check for missing components, ability to mount Y- connector, and damage.  Refer to WP 0046 00. Mounting box cannot secure Y- connector.