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Output Number
IR19990172
Approval Date
Published Date Time
Recommendation type
Interim recommendation
Mode
Aviation
Date released

The Bureau of Air Safety Investigation recommends that the Civil
Aviation Safety Authority alert all operators to initiate an
immediate wiring and fuel-line inspection of the Beech 1900 fleet
in Wing Zones 531 and 631 as a matter of the highest
priority.



As a result of the investigation into this safety deficiency, the
Bureau simultaneously issues the following interim
recommendations:



"IR19990173



The Bureau of Air Safety Investigation recommends that the Federal
Aviation Administration alert all operators to initiate an
immediate wiring and fuel-line inspection of the Beech 1900 fleet
in Wing Zones 531 and 631 as a matter of the highest
priority.



IR19990174



The Bureau of Air Safety Investigation recommends that Raytheon
Aircraft alert all operators to initiate an immediate wiring and
fuel-line inspection of the Beech 1900 fleet in Wing Zones 531 and
631 as a matter of the highest priority".

Organisation Response
Date Received
Organisation
Civil Aviation Safety Authority
Response Text

CASA has reviewed Air Safety Interim Recommendation IR 9990172.
Your staff briefed the relevant CASA specialist staff on the
circumstances surrounding the inflight fire in VH-NTL on 16
September 1999. The serious nature of the incident prompted this
Authority to issue AD/BEECH 1900/130, Electrical Loom Inspection,
on 17 September 1999, to be effective on 20 September 1999 and
requiring an inspection of the area before further flight.



A report has now been received for all aircraft on the Australian
register, showing that no similar problems exist in Beech 1900C/D
aircraft operated in Australia. None-the-less, the conclusions in
your report are generally supported. CASA will seek advice from the
manufacturer regarding the appropriateness of the electrical
circuit protection and the instructions for maintenance of this
wire.