Pt6 Engine Troubleshooting Manual - vrcworks.net Oct 31, 2006 ... detailed in Chapter 32-30-00. Power Plant. Engine. Inspect in accordance with the Pratt & Whitney PT6A-67A. Engine Maintenance Manual. Engine. Perform hot section inspection as required. Refer to the. Pratt & Whitney PT6A-67A Engine Maintenance Page 3/8. "/>