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  • B737 en-route, Glen Innes NSW Australia, 2007 (Synopsis: On 17 November 2007 a Boeing 737-700 made an emergency descent after the air conditioning and pressurisation system failed in the climb out of Coolangatta at FL318 due to loss of all bleed air. A diversion to Brisbane followed. The Investigation found that the first bleed supply had failed at low speed on take off but that continued take off had been continued contrary to SOP. It was also found that the actions taken by the crew in response to the fault after completing the take off had also been also contrary to those prescribed.)
  • B789, en-route, eastern Belgium, 2017 (Synopsis: On 29 April 2017, a Boeing 787-9 which had just reached cruise altitude after despatch with only one main ECS available began to lose cabin pressure. A precautionary descent and PAN was upgraded to a rapid descent and MAYDAY as cabin altitude rose above 10,000 feet. The Investigation found that aircraft release to service had not been preceded by a thorough enough validation of the likely reliability of the remaining ECS system. The inaudibility of the automated announcement accompanying the cabin oxygen mask drop and ongoing issues with the quality of CVR readout from 787 crash-protected recorders was also highlighted.)
  • DH8A, vicinity Palmerston North New Zealand, 1995 (Synopsis: On 9 June 1995 a de Havilland DHC-8-100 collided with terrain some 16 km east of Palmerston North aerodrome while carrying out a daytime instrument approach. The airplane departed Auckland as scheduled Ansett New Zealand flight 703 to Palmerston North airport.)
  • DH8B, en route, southwest of Windsor Locks CT USA, 2015 (Synopsis: On 5 June 2015, a DHC8-200 descending towards Bradley experienced an in-flight fire which originated at a windshield terminal block. Attempts to extinguish the fire were unsuccessful with the electrical power still selected to the circuit. However, the fire eventually stopped and only smoke remained. An emergency evacuation was carried out after landing. The Investigation was unable to establish the way in which the malfunction that caused the fire arose but noted the continuing occurrence of similar events on the aircraft type and five Safety Recommendations were made to Bombardier to address the continuing risk.)
  • MD81, vicinity Chicago Midway, IL USA, 2008 (Synopsis: On 7 July 2008, a Mc Donnell Douglas MD81 being operated by Midwest Airlines, Inc. had just taken off in day visual flight conditions when increasing pitch could initially not be controlled. Later, control was regained but with “higher than normal” pitch control pressure required to control the aircraft - after en-route diversion the aircraft landed uneventfully.)