DOC AIRBUS | MMEL ITEMS A320FCockpit and Cabin Trim Air Valve
| 21-63-02 | Cockpit and Cabin Trim Air Valve |
|---|
Applicable to: -
NOTE:
- Unequal passengers distribution may cause high temperature in the rear cabin when more than one trim air valves are inoperative or when the hot air pressure regulating valve is closed.
- The temperature in the cockpit may be low when the hot air pressure regulating valve is closed combined with single pack operation.
21-63-02-C Hot air pressure valve checked closed
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 3 | 0 | No |
(o)
1)
2)
One or
more may be inoperative provided that:
1)
The HOT AIR pb-sw is set to
OFF, and
2)
The hot air pressure regulating valve
is checked closed on the COND SD Page.
21-63-02-D Affected valve secured closed
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 3 | 0 | No |
(o)(m)
One or more may be inoperative provided
that the affected valve is secured in the closed position.
| 21-63-02 | Cockpit and Cabin Trim Air Valve |
|---|
Applicable to: -
21-63-02-A Affected valve checked closed
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 3 | 0 | No |
(o)
One or more may be inoperative
provided that the affected valve is checked closed on the COND SD Page.
21-63-02-B Hot air pressure valve checked operative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 3 | 0 | No |
(o)
One or more may be inoperative
provided that the hot air pressure regulating valve is checked operative
on the COND SD Page.
21-63-02-E Hot air pressure valve considered inoperative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 3 | 0 | No |
One or more may be inoperative provided
that the hot air pressure regulating valve is considered inoperative.