Table 1. Operator Preventive Maintenance Checks and Services (PMCS) for Improved Ribbon Bridge Ramp Bay (Contd).ITEM TONOT FULLYITEMCHECK/MISSIONNO.INTERVALSERVICEPROCEDURECAPABLE IF:TM 5-5420-278-100015 000015 00-1020BeforeLeft frontunfoldingmechanism (2)Check torsion bar, stabilizer lever,retaining pins, and turnbuckle forstructural damage.Damage preventsproper operation of unfoldingmechanism.19BeforeLeft front innerponton end skinsurface (1)Check for structural damage.Puncture, tear, ordamage allowswater to enterponton. Any visiblehole will deadlinebay.21~~
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