Lyco SB 614A - Exhaust System Inspection and Turbocharger Mounting Bracket Replacement

Lycoming Service Bulletin No. 614A

MODELS AFFECTED: Lycoming Engine Model TIO-540-AJ1A with a Serial Number Identified in Table  1 of SB or any TIO-540-AJ1A with a Turbocharger Mounting Bracket Purchased as a Spare between April 5, 2012 and May 29, 2014

TIME OF COMPLIANCE: The Required Action must be completed within the next 25 hours or next scheduled maintenance event (whichever occurs first) for:

 Engines identified in Table 1 of SB with 0 to 400 hours time in service since new, rebuilt, or overhauled. 

 Engines with a turbocharger mounting bracket purchased as a spare between April 5, 2012 and May 29, 2014, with 0 to 400 hours time in service since bracket replacement.

 Return turbocharger mounting brackets currently in stock. 

The Required Action must be completed at next overhaul for:

 Engines identified in Table 1 of SB with over 400 hours time in service since new rebuilt, or overhauled.

 Engines with a turbocharger mounting bracket purchased as a spare between April 5, 2012 and May 29, 2014, with over 400 hours time in service since bracket replacement.