Service Bulletin No. 633

Oil Level Gage (Dipstick) Replacement

Publications

Oil Level Gage (Dipstick) Replacement 

DATE:

December 20, 2017

MODELS AFFECTED:

Lycoming Engines TIO-540-AH1A installed in Gripps Aero/Mahindra Turbocharged GA8 Airvans

TIME OF COMPLIANCE:

At owner's discretion, during next scheduled maintenance event

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