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Australian attempts to resolve the problem of fumes on the BAe 146
4.44 In the Occurrence Brief dealing with an incident involving Captain Frank Kolver published by the Bureau of Air Safety Investigation in early September 1999 and dealt with in detail later in this report, it was noted that:
As a result of testing and research, operators undertook a number of corrective maintenance actions and modifications to BAe 146 aircraft in the Australian fleet in an attempt to mitigate odour occurrences within the cabin. These actions included more frequent air filter cleaning, replacement of APUs with an alternative unit, modifications to APUs to improve ventilation in and around the unit and associated air intakes, assessment of filter life, air duct cleaning, and the replacement of ducts likely to trap oily deposits. The air conditioning packs were also "burnt out" on a daily basis. This procedure was intended to increase pack operating temperatures in an attempt to burn off any remaining oil residues within the air conditioning
40 CASA, Evidence, 1 November 1999, p 45; see also Ansett Australia, Evidence, 2 November 1999, p 69
41 CASA, Evidence, 1 November 1999, p 45
42 British Aerospace, Evidence, 10 April 2000, p 223
system, but was discontinued by Australian operators because it apparently caused deterioration of the packs. There was also an increase in the frequency of engine oil seal inspections and replacement.43
Actions taken by Ansett
4.45 On 2 November 1999 Ansett detailed to the inquiry the initiatives it had taken to deal with the issue of fumes on its BAe 146 aircraft. Captain Jensen advised this Committee:
To the best of our knowledge, we have done more than any other airline in the world, including the four other BAe 146 operators in Australia, to address this issue and the improvements we have made to our fleet of 13 aircraft ensures air quality aboard Ansett’s fleet is superior to that of the other 20 BAe 146s operating in Australia. …
When the first odour reports came from East West crew in 1991, full medical examinations were arranged for the flight attendants who reported fume exposure at the time. An occupational medical consultant found no associated health risks. Since then, we have worked with a large number of external experts and we have sought to involve our staff and their unions throughout the process. …
We have also taken care to communicate with our people. We have provided not only written material but also briefing sessions around the country. This has given our people information and the opportunity to ask questions and to provide feedback. …
Ansett’s BAe 146 Odour Inquiry Committee was established as a problem solving committee. It comprised representatives of all relevant departments of the airline as well as the Flight Attendants Association of Australia, the FAAA; the Ansett Pilots Association, the APA; and representation from British Aerospace. The committee oversaw a number of initiatives. …
　
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