DOC AIRBUS | MMEL ITEMS A320FCDLS Normal System (Normal Control Unit, Switch and Lights on the CKPT DOOR Panel, Buzzer, Keypad)
| 52-51-01 | CDLS Normal System (Normal Control Unit, Switch and Lights on the CKPT DOOR Panel, Buzzer, Keypad) |
|---|
Applicable to: -
52-51-01-B
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| - | 1 | - | - |
As required by regulations.
| 52-51-01 | CDLS Normal System (Normal Control Unit, Switch and Lights on the CKPT DOOR Panel, Buzzer, Keypad) |
|---|
Applicable to: -
52-51-01-A CDLS back-up control unit operative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | Yes |
(o)
1)
2)
3)
May be inoperative provided
that:
1)
The interphone system between the cabin and the cockpit is operative,
and
2)
The LKG SYS selector on the CKPT DOOR
BK UP panel is set to the BK UP position , and
3)
The CDLS back-up
control unit is operative.
52-51-01-B
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| - | 1 | - | - |
As required by regulations.