DOC AIRBUS | MMEL ITEMS A320FPylon Leak Detection System
| 36-22-01 | Pylon Leak Detection System |
|---|
Applicable to: -
36-22-01-B No FL limitation
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(o)(m)
1)
2)
3)
4)
5)
6)
7)
8)
One may be inoperative provided that:
1)
ETOPS is not conducted, and
2)
The associated pylon leak detection loop is deactivated, and
3)
The associated ENG BLEED pb-sw is set to OFF, and
4)
The associated PACK pb-sw is set to OFF, and
5)
The X BLEED selector is set to SHUT,
and
6)
The APU BLEED pb-sw is set to OFF if LH side
is affected, and
7)
The aircraft is not operated in known or forecast icing conditions,
and
8)
The speedbrakes are operative.
36-22-01-C Limitation to 31500 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(o)(m)
1)
2)
3)
4)
5)
6)
7)
8)
One may be inoperative provided that:
1)
ETOPS is not conducted, and
2)
The associated pylon leak detection loop
is deactivated, and
3)
The associated ENG BLEED pb-sw is set to OFF, and
4)
The associated PACK pb-sw is
set to OFF, and
5)
The X BLEED selector is set to SHUT,
and
6)
The APU BLEED pb-sw is set to
OFF if the LH side is affected, and
7)
The aircraft is not operated in known
or forecast icing conditions, and
8)
The altitude is limited to 31500 ft ( 9600 m).
| 36-22-01 | Pylon Leak Detection System |
|---|
Applicable to: -
36-22-01-B Limitation to 37000 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(o)(m)
1)
2)
3)
4)
5)
6)
7)
8)
9)
One may be inoperative provided that:
1)
ETOPS is not conducted, and
2)
The associated pylon leak detection loop is deactivated, and
3)
The associated ENG BLEED pb-sw is set to OFF, and
4)
The associated PACK pb-sw is set to OFF, and
5)
The X BLEED selector is set to SHUT,
and
6)
The APU BLEED pb-sw is set to
OFF if the LH side is affected, and
7)
The aircraft is not operated in known or forecast icing conditions,
and
8)
The altitude is limited to 37000 ft ( 11200 m), and
9)
The speedbrakes are operative.
36-22-01-C Limitation to 31500 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(o)(m)
1)
2)
3)
4)
5)
6)
7)
8)
One may be inoperative provided that:
1)
ETOPS is not conducted, and
2)
The associated pylon leak detection loop
is deactivated, and
3)
The associated ENG BLEED pb-sw is set to OFF, and
4)
The associated PACK pb-sw is
set to OFF, and
5)
The X BLEED selector is set to SHUT,
and
6)
The APU BLEED pb-sw is set to
OFF if the LH side is affected, and
7)
The aircraft is not operated in known
or forecast icing conditions, and
8)
The altitude is limited to 31500 ft ( 9600 m).
36-22-01-D No FL limitation
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| B 06.04.2026 | 2 | 1 | No |
(o)(m)
1)
2)
3)
4)
5)
6)
7)
8)
One may be inoperative provided that:
1)
ETOPS is not conducted, and
2)
The associated pylon leak detection loop is deactivated, and
3)
The associated ENG BLEED pb-sw is set to OFF, and
4)
The associated PACK pb-sw is set to OFF, and
5)
The X BLEED selector is set to SHUT,
and
6)
The APU BLEED pb-sw is set to
OFF if the LH side is affected, and
7)
The aircraft is not operated in known or forecast icing conditions,
and
8)
The speedbrakes are operative.
NOTE:
In the case of depressurization
at altitudes higher than 37000 ft ( 11200 m), oxygen masks
may drop down during the descent.
| 36-22-01 | Pylon Leak Detection System |
|---|
Applicable to: -
36-22-01-A
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(m)
1)
2)
3)
One may be inoperative provided that:
1)
The associated pylon leak detection loop is deactivated, and
2)
The AIR ENG 1(2) BLEED LEAK alert is confirmed to be false by troubleshooting, and
3)
The associated bleed air supply system is considered inoperative.
| 36-22-01 | Pylon Leak Detection System |
|---|
Applicable to: -
36-22-01-E
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| - | 2 | 2 | No |
Must be operative.
NOTE:
Failure of one loop in one or
both pylon is indicated by a MAINTENANCE message displayed on the STATUS SD Page.