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 00-46BeforeRight drain plug (2)Ensure drain plug is secured and notcracked or broken.Drain plug ismissing, cracked, orbroken.5BeforeLower drainplugs (1)Ensure drain plugs are secured andnot cracked or broken.Any drain plug ismissing, cracked, orbroken.1217BeforeRight reartrunnion (3) and wear cap (4)Check for structural damage.Damage allowswater to enterponton. Any visiblehole will deadlinebay.34~
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