DOC AIRBUS | AMM A320FCheck of the Bypass Directional Control Valve (BDCV) Counter Alert Message [PW11]
TASK 73-21-00-040-801-A
Check of the Bypass Directional Control Valve (BDCV) Counter Alert Message
1. Reason for the Job
MMEL 73-09-05B
ENG 1(2) HEAT SYS DEGRADED ALERT
2. Job Set-up
Subtask 73-21-00-860-082-A ** ON A/C NOT FOR ALL
Subtask 73-21-00-040-058-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:02:28 UTC
Check of the Bypass Directional Control Valve (BDCV) Counter Alert Message
1. Reason for the Job
MMEL 73-09-05B
ENG 1(2) HEAT SYS DEGRADED ALERT
2. Job Set-up
Subtask 73-21-00-860-082-A ** ON A/C NOT FOR ALL
A. Not Applicable
3. ProcedureSubtask 73-21-00-040-058-A ** ON A/C NOT FOR ALL
A. Check for no exceedance of the Bypass Directional Control Valve (BDCV) auto-test aborted counter.
(1) Make sure that maintenance messages related to Bypass Directional Control Valve (BDCV) electrical failure on dual channels is not reported in Electronic Engine Control (EEC) interactive mode fault reports on Multipurpose Control and Display Unit (MCDU).
(a) Check on GROUNG report, LAST LEG REPORT or Post Flight Report (PFR).
(1) Make sure that maintenance messages related to Bypass Directional Control Valve (BDCV) electrical failure on dual channels is not reported in Electronic Engine Control (EEC) interactive mode fault reports on Multipurpose Control and Display Unit (MCDU).
(a) Check on GROUNG report, LAST LEG REPORT or Post Flight Report (PFR).