Service Bulletin No. 627 E

EXHAUST SYSTEM INSPECTION

DATE:

May 17, 2018

SUBJECT:

Exhaust System Inspection

MODELS AFFECTED:

Lycoming Engine Model TIO-540-AJ1A

TIME OF COMPLIANCE:

If the Exhaust System is not replaced per this revision, after the initial Exhaust System Inspection, continue with subsequent repetitive Exhaust System Inspections per Table 2 in this Service Bulletin

REASON FOR REVISION:

Refined language on Page 1 to add clarity for identifying engines which shipped from Lycoming in compliance with Part 1. Corrected Table 2 Required Actions for engines with 1000 hours or less time since last Exhaust System Maintenance.