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Landing Gear Failures
Below is a summary of the failures related to the landing gear system (ATA 32).
| Item | Not available when | |||
| Normal Gear Extension | green system (1) | blue system + yellow system (1) | >280 kt (2) | airborne (3) |
| Nose Wheel Steering | NWS (1) | A/SKID & N/W STRG sw off | both BSCU channels (1) | gravity extension |
| Normal Braking | green system (1) | A/SKID & N/W STRG sw off | airborne (3) | |
| Alternate Braking | blue system (1) | A/SKID & N/W STRG sw off | PARKING BRAKE on | |
| Antiskid | A/SKID & N/W STRG sw off | power supply (1) | BSCU (1) | blue system + green system (1) |
| Autobrake | normal braking (1) | |||
Notes
(1): a failure of
(2): priority valve function
(3): this is a function of the LGCIUs