The Chapter 5 Time Limits Section Table 1 CMP codes 275337 through 275342 for the Flap Driveshaft Assemblies - Restore are due at the 4A or 8C Inspection.
The Restore consists of removing the driveshaft and core, inspecting for defects, lubricating the driveshaft core, replacing the seal on the end of the casing, and applying sealant over the casing after installation.
The Driveshafts do not require replacement unless there are defects found during the inspection outside the limits given in the AMM. Refer to the G150 AMM 27-53-03 for additional details.
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