W DOC AIRBUS | MMEL OPS PROC

APU Leak Detection Loop


36-22-03BAPU Leak Detection Loop
Applicable to: -
- During cockpit preparation
  • ENG 1 BLEED pb-swOFF
  • PACK 1 pb-swOFF
  • X BLEED selectorSHUT
  • APU BLEED pb-swOFF
- Before Engine Start
  • X BLEED selectorOPEN
  • APU BLEED pb-swAS RQRD
NOTE:
The use of the APU bleed air supply system is permitted for Main Engine Start.
- After Engine Start
  • X BLEED selectorSHUT
  • APU BLEED pb-swOFF
- In flight
In the case of failure of the remaining engine bleed air supply system, or in the case of failure of the associated engine:
Apply the associated ECAM procedure, then
36-22-03BAPU Leak Detection Loop
Applicable to: -
- During cockpit preparation
  • ENG 1 BLEED pb-swOFF
  • PACK 1 pb-swOFF
  • X BLEED selectorSHUT
  • APU BLEED pb-swOFF
- Before Engine Start
  • X BLEED selectorOPEN
  • APU BLEED pb-swAS RQRD
NOTE:
The use of the APU bleed air supply system is permitted for Main Engine Start.
- After Engine Start
  • X BLEED selectorSHUT
  • APU BLEED pb-swOFF
- In flight
In the case of failure of the remaining engine bleed air supply system, or in the case of failure of the associated engine:
Apply the AIR ENG 1+2 BLEED FAULT ECAM procedure.