08/12/2026
Good Morning Aviation Community. Lycoming Engines MSB667A - Piston Pin Replacement states for warranty compliance labor to be filed I/A/W Labor Allowance Guidebook, SSP-875-2.
HOWEVER, Lycoming is ONLY ALLOWING codes:
7 (cowling r/r),
38 (piston pin r/r),
41 (cylinder r/r).
4-cyl carb 16 hrs
6-cyl f inject 20 hrs