W DOC AIRBUS | TSM A320F

Loss of the Signal from the Green Pressure Switch


TASK 32-42-00-810-823-A
Loss of the Signal from the Green Pressure Switch


1. Possible Causes
  • SYSTEM-PRESS-SW [1151GN]
  • BSCU [10GG]
  • wiring from the pressure switch (1151GN) to the BSCU (10GG)
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 29-32-12-000-001
Removal of the System Pressure Switch
AMM 29-32-12-400-001
Installation of the System Pressure Switch
ASM 324203
AMM 32-42-34-000-001
Removal of the Braking/Steering Control Unit (BSCU)
AMM 32-42-34-400-001
Installation of the Braking/Steering Control Unit (BSCU)
3. Fault Confirmation
Subtask 32-42-00-740-068-A
A. Test
Not applicable
4. Fault Isolation
Subtask 32-42-00-810-072-B
A. If the PFR gives the maintenance message GREEN SYSTEM PRESS SWITCH (1151GN):
   (1) If the fault continues:
   (2) If the fault continues:
  • do a check and repair the wiring from the pressure switch (1151GN) to the BSCU (10GG) pin A/C to pin AA/13F ASM 324203.
Subtask 32-42-00-740-069-A
B. After the subsequent flight, make sure that the fault does not continue.
[Rev.8 from Aug 2018] 2026.04.04 04:31:32 UTC