Flight in Backup Speed and Altitude Condition

TASK 34-13-81-810-837-A
Flight in Backup Speed and Altitude Condition

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 05-51-17-200-001	Inspection after in Flight Excessive Load Factor due to Turbulence or Maneuver or in Excess of VMO/MMO
AMM 34-10-00-170-001	Flushing of the Principal Total Pressure Lines
AMM 34-10-00-170-002	Flushing of the Principal Static Pressure Lines
AMM 34-11-15-200-001	Inspection/Check of the Pitot Probe
AMM 34-11-16-200-001	Inspection of the Static Port
AMM 34-13-00-720-009	Functional Test of the Altitude and Airspeed Data (A/C without RVSM capability on ADIRU 3)
AMM 34-13-00-740-002	INTERFACE TEST of the ADR
AMM 34-13-00-790-002	Leak Test of the Principal Static and Total Air Data System
AMM 34-22-25-170-001	Draining and Flushing of the Standby Static and Standby Total Pressure lines (ISIS)
AMM 34-22-25-790-001	Low range Leak Test of the Standby Pneumatic circuits

3. Fault Confirmation
Subtask 34-13-81-740-102-A ** ON A/C NOT FOR ALL

A. Do the INTERFACE TEST of the ADR AMM 34-13-00-740-002

4. Fault Isolation
Subtask 34-13-81-810-089-A ** ON A/C NOT FOR ALL

A. If the test gives:
(1) ADR 1 (or ADR 2) fault, do step B..
(2) ADR 3 fault, do step C..
(3) No result, do steps B. and C..

Subtask 34-13-81-810-086-A ** ON A/C NOT FOR ALL

B. ADR 1 (or ADR 2) Fault
(1) Do the visual inspection of the pitot probes AMM 34-11-15-200-001.
(2) Do the visual inspection of the static probes AMM 34-11-16-200-001.
(3) Flush the principal total pressure lines AMM 34-10-00-170-001.
(4) Flushing the principal static pressure lines AMM 34-10-00-170-002.
(5) Do the leak test of the principal static and total air data system AMM 34-13-00-790-002.
(6) Do the functional test of the altitude and airspeed data AMM 34-13-00-720-009.
(7) Do the inspection after in flight excessive load factor due to turbulence or maneuver or in excess of VMO/MMO AMM 05-51-17-200-001.

Subtask 34-13-81-810-087-B ** ON A/C NOT FOR ALL

C. If the test gives ADR system 3 fault
(1) Do the visual inspection of the pitot probes AMM 34-11-15-200-001.
(2) Do the visual inspection of the static probes AMM 34-11-16-200-001.
(3) Do the Draining and Flushing of the Standby Pneumatic Circuits AMM 34-22-25-170-001.
(4) Do the Leak test of the Standby Air Data system AMM 34-22-25-790-001.
(5) Do the Functional test of the Altitude and Airspeed Data AMM 34-13-00-720-009.
(6) Do the Inspection After in Flight Excessive Load Factor due to Turbulence or Maneuver or in Excess of VMO/MMO AMM 05-51-17-200-001.

[Rev.8 from Aug 2018] 2026.04.04 04:32:36 UTC