542. We have lost electrical power to some of the flight control actuators. Request delay our descent to perform checklist.
546. We have a severe fuel leak situation, unable to reach the closest airport. You can expect us to make a forced landing near our present location.
547. Our cabin crew reports that we have fuel leak from the right wing. Request diversion to closest suitable airport.
548. We have already shut down engine Number One, but it is still leaking fuel near the pylon. Request emergency services.
549. The ground crew reports that we are leaking a bit of fuel from the bottom of the right engine nacelle. We are delaying taxi.
550. We need to continue to run the engines at our present location for a few minutes, will advise you shortly.
551. The ground crew reports that we are leaking a significant amount of fuel from the bottom of Number Three engine. We have just shut it down.
552. The fuel leak has stopped. But if a fire starts at any time, I will order an evacuation.
553. We have leaked a large amount of fuel onto the apron. Request fire trucks on standby and the stairs vehicle to disembark the passengers.
555. We have fumes in the cabin, possibly due to a fuel leak. We are anticipating an immediate evacuation after landing.
556. We are evacuating. Advise emergency personnel that fuel odors are still present in the cabin.
560. We cannot shut off the fuel dump valve. Request radar vectors for short final, Runway 17.
568. Our hydraulic systems have a malfunction. Request descent to lower levels to extend flaps in advance.
569. Our hydraulic fluid is dangerously low, possibly due to a leak. Request descent to lower levels to extend flaps.
571. Our ram air turbine is not providing any hydraulic pressure. We are still operating on one hydraulic system only. Request diversion to the nearest suitable airport.
574. Our left engine anti-ice system has failed. Request immediate climb to leave the icing area.
575. We must descend immediately to exit icing conditions. Our right engine bleed air has failed.
576. Both our windshield heating systems have failed. Ice is obstructing our view. Request latest airport weather.
577. We had electrical arcing on the windshield and pulled the circuit breakers according to the checklist. Will advise when ready for approach.
578. We performed the missed approach because my windshield wiper became inoperative and I could not see very well.
