Service Bulletin No. 650

Intake Pipe and Flange Inspection

Publications
INTAKE PIPE AND FLANGE INSPECTION
DATE:

January 4, 2024

MODELS AFFECTED:

IO-360-A, -C, -D, -M, -N, -P Series; TO, TIO-360-C16D; -C1A6D;
HIO-360-A, -C, -E, -F Series; LIO-360-C, -M Series; AEIO-360-A Series
IO, HIO, AEIO-390-A Series
IO-540-A, -E, -G, -K, -L, -M, -S, -AA, -AC, -AE, -AG Series;
TEO-540-A, -C Series; TIO-540-A, -F, -J, -R, -U, -S Series; TIO-540-AE2A,
-AH1A, -AJ1A; AEIO-540-L Series; LTIO-540-F, -J, -U Series
TIO-541-E1C4
IO, AEIO-580-B1A
IO-720-A, -B, -D Series
Refer to Appendix 1 for Affected Non-Certified Engine Models

TIME OF COMPLIANCE:

Within the next 50 hours of engine operation, at every scheduled inspection, and any time the intake pipes are removed.