Loss of Thrust Control Malfunction Accomodation Protection

TASK 73-20-00-810-979-A
Loss of Thrust Control Malfunction Accomodation Protection

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 73-21-60-000-001	Removal of the Electronic Control Unit (ECU)
AMM 73-21-60-400-001	Installation of the Electronic Control Unit (ECU)
AMM 73-29-00-710-040	Operational Test of the FADEC on the ground (with Engine Motoring)

3. Fault Confirmation
Subtask 73-20-00-710-328-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the operational test of the FADEC on the ground (with engine motoring) AMM 73-29-00-710-040.

4. Fault Isolation
Subtask 73-20-00-810-281-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message ECU (TCMA RELAY):

Subtask 73-20-00-710-329-A ** ON A/C NOT FOR ALL

B. Do the test given in Para. 3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:35:32 UTC