[PDF] [PDF] Safety First Magazine - issue 6 - Safety First Airbus

Cabin attendant falling through the avionics bay access panel in cockpit By: Per- Oliver GUENZEL Flight Safety Advisor A330/A340 program 1 Introduction



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[PDF] Safety First Magazine - issue 6 - Safety First Airbus

Cabin attendant falling through the avionics bay access panel in cockpit By: Per- Oliver GUENZEL Flight Safety Advisor A330/A340 program 1 Introduction



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Cabinattendant falling

through the avionics bay access panel in cockpit

By: Per-Oliver GUENZEL

1Introduction

Airbus has received reports of cabin attendants falling through the avionics hatch door located in the cockpit, when it is open for maintenance purposes. In most of the cases the cabin attendant hurt him/herself only slightly and could continue his/her duty. But there were also some occurrences where the cabin attendant couldnt continue his/her duty.

In 2001, an OIT (ref.: AI/SE 999.0002/01) was

published to inform operators about such events and to provide some general recommendations.

In addition, Airbus has developed a device that

should contribute to prevent such mishaps.

2Avionics bay accesshatch

The avionics compartment access hatch is located

in the cockpit behind the captains seat.

It opens upwards from front to back. When the

hatch is open, it rests vertically and covers approximately 80% of the corridor width. This makes the hatch position noticeable and requires care to be taken to move around it when entering the cockpit. Therefore anyone entering the cockpit while the hatch is open should notice it (see fig. 1 and 2

Safety first #06 July 2008 - 1/3

The following SBs are available to retrofit an avionics compartment access hatch with a protective arm on the different aircraft series.

A330...200/-300: SB 25-3356

A340-200/-300: SB 25-4292

A340-500/-600: SB 25-5146

The estimated installation time of the SB is 3 hours.

The same modification is available as an option

for production a/c. The reports received by Airbus about a cabinattendant falling into the hatch are not very detailed,but usually the cabin attendant entered the cockpitto provide some beverage to the flight crew, he/shestepped in the open hatch not realizing that therewas a holeŽ or fell in when stepping backwardsto leave the cockpit.Airbus decided to develop a protective device tohelp airlines prevent such events.

3 Mechanics need to have easy access to the avionics bay from the cockpit, sometimes with electronics equipment, thus it was necessary to develop a protectionŽ that doesnt interfere with the mechanics work area. This protectionŽ had to be easily retrofittable, act as a visual attention getter to warn those who dont realize the holeŽ in front of them and provide enough physical resistance to somebody stepping back against it. However, its intent is not to act as a solid barrier to prevent somebody from falling.

The best compromise found by Airbus engineers

is a protective arm that is attached to the hatch and unfolded when the hatch is open (see fig 3 &4).

Safety first #06 July 2008 - 2/3

Safety First

#06

Safety First is published

by Airbus S.A.S

Vice President Flight Safety

Concept Design

Printed in France

© Airbus S.A.S.

Safety First

The Airbus Safety Magazine

For the enhancement of safe flight through

increased knowledge and communications.

Safety first #06 July 2008 - 3/3

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