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REC 15/04. It is recommended to Airbus that it should be assured that the TSM and
other specific or temporary maintenance documentation, like a «Technical
Follow-up», is consistent and equally updated in regard to their technical
content.
REC 16/04. It is recommended to the DGAC-France that the training syllabus recommended
by Airbus to the airlines for type rating of A-340 is reviewed in
order to assure that it leads to an adequate understanding of the details
of the brake system of the aircraft.
REC 17/04. It is recommended to the DGAC-Spain that the training syllabus used by
Iberia for initial type rating of flight crews in Airbus A-340 is reviewed to
assure that enough time is devoted to reach an adequate understanding
of the details of the aircraft brake system. This review should take into
account any possible change in the Airbus recommended syllabus.
REC 18/04. It is recommended to Airbus that the content of the Abnormal Procedures
and Supplementary Techniques of the A-340 FCOM are revised to
unify the criteria of actions to be taken when the caution «Brakes residual
braking» is displayed on ground.
REC 19/04. It is recommended to Iberia that their Operations Manual of the A-340 is
updated with the guidelines provided by Airbus regarding the use of
autobrake during landing and the actions to be taken when the caution
«Brakes residual braking» is displayed on ground.
Technical report IN-062/2002
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Technical report IN-062/2002
APPENDICES
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Technical report IN-062/2002
APPENDIX A
Diagram of tracks on runway 33
of Madrid-Barajas Airport
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Technical report IN-062/2002
Technical report IN-062/2002
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Technical report IN-062/2002
APPENDIX B
Details of the trouble shooting procedure
applied after the incident
(1 TO 4 ARE ITEMS TO PREPARE THE AIRCRAFT FOR THE PROCEDURE)
...
5. Check for pressure (LH & RH ALT brake) using the cockpit triple gauge.
If pressure remains, Go to (6)
If no pressure remains, Go to (8).
6. If RH ALT pressure, unscrew caps K on the BDDV (5403GG)
If LH ALT pressure, unscrew cap I on the BDDV (5403GG)
If the pressure remains on the triple gauge, replace the BDDV (5403GG)
If the pressure clears on the triple gauge, replace LH (5422GG) or RH (5423GG) master
cylinders.
7. Repeat tests (5) & (6).
If the pressure remains, the Dual Shuttle Valve (5404GG) should be replaced.
If the pressure clears, a dimension check of brake pedal rigging is required.
A quick test is to measure the distance between centre lines of master cylinder mounting
holes. They should be the same as each other and be within the range of
170+0.1/+0.05mm.
Note that no compression of the Master Cylinder should be required to mount it in position.
(Further checks see AMM 32-43-12-000-801, Removal of the Cockpit Alternate
Brake Master Cylinders).
8. Fully depress and then release LH & RH brake pedals.
If pressure remains on pedal release, Go to (6).
If pressure clears on pedal release, Go to (9).
9. Apply and release park brake.
If the pressure remains, the Dual Shuttle Valve (5404GG) should be replaced and test
repeated. (AMM 32-43-14-400-801 Dual Shuttle Valve – Removal/Installation).
If the pressure clears on parking brake release, go to (10).
10. If residual braking cannot be reintroduced, the following modified low-pressure
circuit bleeding procedure (AMM 32-43-00-870-801, replenishment of the Alternate
Braking Control Reservoir) should be used to check for restrictions in the low-pressure
circuit.
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Technical report IN-062/2002
With all AIC systems depressurised, attach a bleed hose to the bleed valve of the alternate
brake control reservoir (5424GG). Put the other end in a container to catch the
fluid. Drain until no fluid flows.
Unscrew cap a port ‘J’ of the BDDV and attach a bleed adapter (as identified in the bleeding
procedure). Measure the flow to the bleed container from port ‘J’ of the BDDV
(5403GG) when supplying fluid at a pressure of up to 4 Bars.
NOTE: Once the bleed valve opening is set for the first the test on side J (WH side) it
should remain in the same position for side K (RM side).
The supply flow and pressure set for the first the test on side J (L/H side) should remain
in the same position for side K (RIH side).
Repeat the above, this time connecting the port K of BDDV (5403GG).
Compare the flow rate from the pipe into the container. If the flow rates from the two
sides are different or are restricted, a blockage is suspected.
11. Detach the master cylinder with restricted flow from the pedal assembly. Carry out
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