Engine Fluctuations without FADEC 1/2 Light

Normal Engine Beep Trim System Failure (High Side) or N2 Governor Failure

Engine Shutdown Complete Electrical Failure

TM-1-1520-240-CL Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-CL E-3 714A Engine Fluctuations without FADEC 1/2 Light Load share switch — Select PTIT. If engine power fluctations are not corrected. 1. Load share switch — Select TQ. 2. No. 1 engine FADEC switch — REV. If engine power fluctations are not corrected. 3. No. 1 engine FADEC switch — PRI. 4. No. 2 engine FADEC switch — REV. If engine power fluctations are not corrected. 1-1. Land as soon as practicable. 714A Reversionary System Failures 714A REV 1 and/or REV 2 (WITHOUT) ASSOCIATED FADEC Light(s) ON Do not SEL REV on the affected engine. 714A REV 1 or REV 2 (WITH) ASSOCIATED FADEC Light ON 1. Land as soon as possible. 2. EMER ENG SHUTDOWN — As required. 714A REV 1 and REV 2 (WITH) ASSOCIATED FADEC Lights ON 1. Land as soon as possible. 2. EMER ENG SHUTDOWN — As required. Engine Transmission Clutch Failure To Engage 1. EMER ENG SHUTDOWN — (affected engine). When N1 reaches zero (0): 2. EMER ENGINE Shutdown — (engaged engine).

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