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Hydraulic Logic
Auto mode (Sys 1 & 2)
- ON when
- EDP fail
- Eng fail
- flaps > 0 (not zero)
- for 60 seconds on TKOF / LDG
- ground ops ON when
- flaps > 0
- TOGA & GS > 50 kts
Auto mode sys 2 only
- on ground
- Eng 1 running & Brakes released
- Eng 1 running & Flaps > 0
- During Eng 1 start if Brakes applied 6 min before