n bumpers(4) need replaced. P/N 87048 Ref CMP 1237 Resolution: Removed 4 worn plugs and installed 4 new plugs P/N 87048 in the Rill aileron actuator IAW GM) AMM 27-00-00. Billing Method Hours Rate Total Labor USD: Flat Rate $230.00 Parts USD: Time and Material $90.64 Total USD: $320.64 Pans: