Failure of the F/O Pitch Control (New-Generation Side-Stick Unit)

TASK 27-93-00-810-979-A
Failure of the F/O Pitch Control (New-Generation Side-Stick Unit)

NOTE: This task is applicable only for the new-generation side-stick unit.

1. Possible Causes

SSU-F/O (100CE2)

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 27-92-41-000-802	Removal of the New-Generation Side-Stick Unit
AMM 27-92-41-400-802	Installation of the New-Generation Side-Stick Unit
AMM 27-96-00-710-020	Operational Test of the Side Stick Assembly (Activation for the BITE Test)
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)

3. Fault Confirmation
Subtask 27-93-00-700-210-A

A. Test
(1) Do the operational test of the side stick unit (activation for the BITE test) AMM 27-96-00-710-020.
(2) Do the BITE test of the EFCS (Ground Scanning) AMM 27-96-00-740-001.

4. Fault Isolation
Subtask 27-93-00-810-259-A

A. If the BITE test gives the maintenance message:
F/O PITCH CTL SSTU 4CE4

replace the SSU-F/O (100CE2), AMM 27-92-41-000-802 and AMM 27-92-41-400-802.

Subtask 27-93-00-700-211-A

B. Do the operational test and the BITE test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:28:10 UTC