Left LVDT Dual In-Range too High Failure

TASK 78-31-00-810-988-A
Left LVDT Dual In-Range too High Failure

1. Possible Causes

LEFT UPPER ACTUATOR [3043KM2]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 78-31-00-710-805	Operational Test of Thrust Reverser with MCDU
AMM 78-31-04-000-801	Removal of the TRAS Locking-Feedback Actuator
AMM 78-31-04-400-801	Installation of the TRAS Locking-Feedback Actuator

3. Fault Confirmation
Subtask 78-31-00-710-303-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Fault Isolation

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS WARNING, INJURY CAN OCCUR.

Subtask 78-31-00-810-332-A ** ON A/C NOT FOR ALL

A. Do the step that follows:
(1) Replace LEFT UPPER ACTUATOR [3043KM2] AMM 78-31-04-000-801 and AMM 78-31-04-400-801.
(2) Do the repair confirmation, go to the Para. 4.B.

Subtask 78-31-00-710-305-A ** ON A/C NOT FOR ALL

B. Repair Confirmation
(1) Do the operational test of the thrust reverser with the MCDU to confirm this fault AMM 78-31-00-710-805.

[Rev.8 from Aug 2018] 2026.04.04 04:38:18 UTC