No Auto Trim Reset after Landing

TASK 27-93-00-810-945-A
No Auto Trim Reset after Landing

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 29-10-00-863-001	Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart
AMM 29-10-00-863-002	Pressurize the Yellow Hydraulic System with a Hydraulic Ground Power-Cart
AMM 29-10-00-864-001	Depressurize the Green Hydraulic System
AMM 29-10-00-864-002	Depressurize the Yellow Hydraulic System

3. Fault Isolation
Subtask 27-93-00-810-213-A ** ON A/C NOT FOR ALL

A. If the pitch-trim control wheels do not automatically come back to 0 position after landing:
(1) Pressurize the Green and Yellow hydraulic systems AMM 29-10-00-863-001 AMM 29-10-00-863-002.
(2) On the overhead panel 23VU, release then push the FLT CTL/ELAC1 pushbutton switch (on this pushbutton switch, the OFF legend comes on and then goes off).
(3) On the overhead panel 24VU, release then push the FLT CTL/ELAC2 pushbutton switch (on this pushbutton switch, the OFF legend comes on and then goes off).
(4) Depressurize the Green and Yellow hydaulic systems AMM 29-10-00-864-001 AMM 29-10-00-864-002.

[Rev.8 from Aug 2018] 2026.04.04 04:28:08 UTC