DOC AIRBUS | TSM A320FFailure of the Thrust Reverser Actuators on Engine 1
1. Possible Causes
· HCU-THRUST REV (4101KS)
2 Job Set-up Information
A. Referenced Information
REFERENCE DESIGNATION
Ref. AMM 78-31-00-710-041 Operational Test of the Thrust Reverser System with the CFDS
Ref. AMM 78-31-51-000-010 Removal of the Thrust Reverser Hydraulic Control Unit
Ref. AMM 78-31-51-400-010 Installation of the Thrust Reverser Hydraulic Control Unit
3. Fault Confirmation
Subtask 78-30-00-710-190-A
A. Test
(1) Do the operational test of the thrust reverser system with the CFDS (through FADEC 1A and 1B
menus) Ref. AMM 78-31-00-710-041 .
4. Fault Isolation
Subtask 78-30-00-810-138-A
A. If the test gives the ECAM warnings
ENG1 REVERSER UNLOCKED
ENG1 REV PRESSURIZED and the maintenance message HC/PROX SW/T/R UP ACT1:
· replace the HCU-THRUST REV (4101KS) Ref. AMM 78-31-51-000-010 and Ref.
AMM 78-31-51-400-010 .
Subtask 78-30-00-710-191-A
B. Do the test given in Para. 3. [Rev.6 from Feb 2017] 2026.04.04 04:38:10 UTC