DATE: February 6, 2014
Table A in the attached Service Bulletin.
TIME OF COMPLIANCE
Next maintenance event not to exceed 50 hours or before further flight if fuel leak found during preflight inspection.
In response to field reports of leaking Hartzell Engine Technologies’ (HET’s) fuel pump, Lycoming Engines requires replacement of all fuel pumps identified in Tables A and B with a verified fuel pump of the same part number.
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Supplement No. 1 to Service Bulletin No. 608
For more information on this subject, refer to Supplement No. 1 to Service Bulletin No. 608.