Engine Fuel System

720000 Fuel line (Stainless steel tube assembly) and support clamp inspection and installation. Refer to Lycoming Service Bulletin
Number 342E or later version. V 05-12-23 120
722001 Engine - Inspect for evidence of oil and fuel leaks. Wash engine and check for security of accessories. A 05-12-01 120
722002 Crankcase, Oil Sump, and Accessory Section - Inspect for cracks and evidence of
oil leakage. Check bolts and nuts for looseness and retorque as necessary. Check
crankcase breather lines for obstructions, security, and general condition.
B 05-12-02 120
722003 Hoses, Metal Lines, and Fittings - Inspect for signs of oil and fuel leaks. Check for
abrasions, chafing, security, proper routing and support and for evidence of deterioration
723001 Engine Cylinders, Rocker Box Covers, and Pushrod Housings - Check for fin damage, cracks, oil leakage, security of attachment, and general condition. B 05-12-02 120
723002 Engine Metal Lines, Hoses, Clamps, and Fittings - Check for leaks, condition, and
security. Check for proper routing and support. C 05-12-02 120
723003 Engine Baffles and Seals - Check condition and security of attachment. 05-12-01 120
723004 Cylinder Compression - Complete a differentialcompression test. If there is weak
cylinder compression,  B 05-12-02 120
730001 Engine-Driven Fuel Pump - Check for evidence of leakage, security of attachment,
and general condition.