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EMER ENG SHUTDOWN
The term EMER ENG SHUTDOWN is defined as engine shutdown without delay. Engine shutdown in flight is usually not an immediate-action item unless a fire exists. Before attempting an engine shutdown, identify the affected engine by checking ENG OUT warnings, % RPM, % TRQ, ENG OIL PRESS, TGT TEMP, and Ng SPEED.
- 1. ENG POWER CONT lever(s) - OFF.
- 2. ENG FUEL SYS selector(s) - OFF.
- 3. FUEL BOOST PUMP CONTROL switch(es) - OFF.
- If TGT is above 538°C after shutdown:
- 4. AIR SOURCE HEAT/START switch(es) - As required.
- 5. ENGINE IGNITION switch - OFF.
- 6. Starter button - Press to motor engine for 30 seconds or until TGT TEMP decreases below 538°C.
LAND AS SOON AS POSSIBLE
- The term LAND AS SOON AS POSSIBLE is
- defined as landing at the nearest suitable landing area (e.g., open field) without delay. (The primary consideration is to ensure the survival of occupants.)
LAND AS SOON AS PRACTICABLE
The term LAND AS SOON AS PRACTICABLE is defined as landing at a suitable landing area. (The primary consideration is the urgency of the emergency.)
The term LOCKOUT is defined as manual control of engine RPM while bypassing700ECU, or701C
701D/CCDEC functions. Bypass of the engine control will be required when % RPM 1 or 2 decreases below normal demand speed.
- When engine is controlled with ENG POWER CONT lever in LOCKOUT, engine response is much faster and TGT limiting system is inoperative. Care must be taken not to exceed TGT limits and keeping%RPMRand%RPM1and2 in operating range.
The term EMER APU START is defined as APU start to accomplish an emergency procedure.
- 1. FUEL PUMP switch - APU BOOST.
- 2. APU CONTR switch - ON.
ENGINE MALFUNCTION - PARTIAL OR COMPLETE POWER LOSS.
- Single engine capability must be considered prior to movement of the
- engine power control lever. Prior to movement of either power-control lever, it is imperative that the malfunctioning engine and the corresponding power- control lever be identified. If the decision is made to shut down an engine, take at least five full seconds while retarding the ENG POWER CONT lever from FLY to IDLE, monitoring % TRQ, Ng SPEED, TGT TEMP, % RPM, and ENG OUT warning appearance.
SINGLE-ENGINE FAILURE - GENERAL.
- When the power available during single engine operation is marginal or less, consideration should be given to jettisoning the external stores. The engine anti-ice and cockpit heater switches should be turned off as necessary to ensure maximum power is available on the remaining engine.
- Do not respond to ENG OUT warning and audio until checking TGT TEMP, Ng SPEED, and % RPM 1 and 2.
- 1. Collective - Adjust to maintain % RPM R.
- 2. External cargo/stores - Jettison (if required).
- If continued flight is not possible:
- 3. LAND AS SOON AS POSSIBLE.
- If continued flight is possible:
- 4. Establish single-engine airspeed.
- 5. LAND AS SOON AS PRACTICABLE.
ENGINE RESTART DURING FLIGHT.
After an engine failure in flight, an engine restart may be attempted. If it can be determined that it is reasonably safe to attempt a start, the APU should be used. Use of a crossbleed start could result in a power loss of up to 18% TRQ on the operational engine.
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