Cfm56-73.rar -

Specific Service Bulletins (e.g., SB 73-0122) define approved CIS fuels and additives, often requiring specialized inspection if not using standard fuel. 3. Operational Improvements (7B Series)

Engine dispatch reliability is exceptionally high, near 2. Key Maintenance Issues & Service Bulletins (73 Series)

Service bulletins under chapter 73 typically cover Engine Fuel and Control.

Specialized borescope inspections for High-Pressure Compressor (HPC) variable stator vanes to prevent rotor-to-stator contact.