Safety Recommendation
The Australian Transport Safety Bureau recommends that the US
Federal Aviation Administration ensure the adequacy of the
maintenance requirements for calibration, functional test and
return to service of barometric pressure switches used to activate
cabin altitude alerting systems in pressurised aircraft engaged in
the carriage of fare paying passengers and type certificated in the
United States.
This recommendation placed in MONITOR status after receipt of
the following initial response from the FAA on 30 July 2002.
:
The Office of Accident Investigation is in receipt of your
recommendations regarding "Cabin Barometric Pressure
Switches."
Your recommendations have been forwarded to the appropriate office
for response, which is normally 90 days. Your recommendations have
been identified, as 02.216 and 02.217 inquiries should reference
these numbers.
You will be kept informed as to the progress and final resolution
of your submission.
