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react, the angle-of-attack will increase and may reach the stall value.
‐ Loss of ALPHA FLOOR.
‐ Loss of LOW ENERGY AUDIO WARNING – “SPEED SPEED SPEED”.
‐ The auto-trim function may be inhibited. Reducing the thrust increases the pitch down authority,
‐ In manual flight or after AP disconnection, with high thrust, significant forward longitudinal
sidestick input may be required..
A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
ERRONEOUS RADIO ALTIMETER (RA) HEIGHT INDICATION
A330/A340 FLEET OEB-OEB1 P 6/8
FCOM 19 AUG 10
Applicable to: ALL
PROCEDURE:
During all phases of flight, the flight crew must monitor and crosscheck all primary flight
parameters and FMA indications.
During ILS (or MLS, GLS) approach with AP engaged, in the event of an unexpected early THR
IDLE and FLARE modes engagement, the flight crew must immediately react as follows:
‐ Immediately perform an automatic Go-Around (Thrust Levers set to TOGA),
OR
‐ Immediatly disconnect the AP,
‐ Then continue the landing using raw data or visual references (FDs set to OFF),
OR
‐ Perform a manual Go-Around (Thrust Levers set to TOGA). Significant longitudinal sidestick
input may be required.
In case of Go-Around (automatic or manual), when climb gradient is established, reduce thrust
without delay (Thrust Levers set to CLB detent).
Note: 1. If the flight crew does not immediately react, the angle-of-attack will increase and
may reach the stall value.
2. In case of Go-Around and if the RA is still frozen at a very low height indication:
‐ SRS and GA TRK modes engage
‐ NAV, HDG or TRK lateral modes cannot be selected
‐ LVR CLB will not be displayed on the FMA at THR RED ALT
‐ ALT* and ALT will not engage at FCU altitude
Disconnecting AP and resetting both FDs enable to recover basic modes (HDG and
V/S).
3. The auto-trim function may be inhibited. Reducing the thrust increases the pitch
down authority..
For all the others events that may occur during approach, there is no change in the procedures
or in the recommended flight crew reactions.
Flight crews must report, in the technical logbook, any of the above-listed consequences of
erroneous RA height.
A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
ERRONEOUS RADIO ALTIMETER (RA) HEIGHT INDICATION
A330/A340 FLEET OEB-OEB1 P 7/8
FCOM 19 AUG 10
Applicable to: ALL
CORRECTIVE ACTION
Airbus is currently investigating to find the permanent fixes that will cancel the need for this OEB.
***** End of red OEB1 Issue 1 *****
A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
ERRONEOUS RADIO ALTIMETER (RA) HEIGHT INDICATION
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A330/A340 FLEET OEB-OEB1 P 8/8
FCOM 19 AUG 10
OPERATIONS
ENGINEERING BULLETINS
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A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
PRELIMINARY PAGES
TABLE OF CONTENTS
A330/A340 FLEET OEB-PLP-TOC P 1/2
FCOM 19 AUG 10
OEB-PLP PRELIMINARY PAGES
TABLE OF CONTENTS......................................................................................................................................1/2
OEB-OEB1 Erroneous Radio Altimeter (RA) Height Indication
A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
PRELIMINARY PAGES
TABLE OF CONTENTS
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A330/A340 FLEET OEB-PLP-TOC P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
PRELIMINARY PAGES
LIST OF EFFECTIVE DOCUMENTARY UNITS
A330/A340 FLEET OEB-PLP-LEDU P 1/2
FCOM 19 AUG 10
M(1) Localization T(2)DU Title DU identification DU date
OEB-OEB1 Erroneous Radio Altimeter (RA) Height
Indication
FG01081
OEB-OEB1 Erroneous Radio Altimeter (RA) height
indication - Approval
00012331.0001001 09 MAR 10
Criteria: LR
Applicable to: ALL
OEB-OEB1 Erroneous Radio Altimeter (RA) height
indication - Description
00012332.0001001 09 MAR 10
Criteria: LR
Applicable to: ALL
OEB-OEB1 Erroneous Radio Altimeter (RA) height
indication - Procedure
00012333.0001001 09 MAR 10
Criteria: LR
Applicable to: ALL
OEB-OEB1 Erroneous Radio Altimeter (RA) Height
Indication - Corrective Action
00012334.0001001 09 MAR 10
Criteria: LR
Applicable to: ALL
(1) Evolution code
(2) Temporary information
A330/A340 FLIGHT CREW
OPERATING MANUAL
OPERATIONS ENGINEERING BULLETINS
PRELIMINARY PAGES
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 5(48)
