APU Leak Detection Loop
| 36-22-03 | APU Leak Detection Loop |
|---|
Applicable to: -
36-22-03-A APU bleed check valve replaced by a plate
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(m)
1)
2)
May be inoperative provided that:
1)
The APU bleed check valve
is removed and replaced by a plate, and
2)
The APU bleed air supply system
is considered inoperative.
36-22-03-B No FL limitation
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
May be
inoperative provided that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert was not displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set
to OFF, and
4)
The PACK 1 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, and
7)
The aircraft is not operated in known
or forecast icing conditions, and
8)
The speedbrakes are operative.
36-22-03-C Limitation to 31500 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
May be
inoperative provided that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert was not displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set
to OFF, and
4)
The PACK 1 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, and
7)
The aircraft is not operated in known
or forecast icing conditions, and
8)
The altitude is limited to 31500 ft ( 9600 m).
36-22-03-E APU bleed check valve checked operative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| B 06.04.2026 | 1 | 0 | No |
(m)
1)
2)
3)
May be inoperative provided
that:
1)
The APU bleed check valve is checked operative, and
2)
The AIR APU BLEED LEAK alert was not displayed
during the previous flight, and
3)
The APU bleed air supply system is considered inoperative.
| 36-22-03 | APU Leak Detection Loop |
|---|
Applicable to: -
36-22-03-A APU bleed check valve replaced by a plate
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(m)
1)
2)
May be inoperative provided that:
1)
The APU bleed check valve
is removed and replaced by a plate, and
2)
The APU bleed air supply system
is considered inoperative.
36-22-03-B Limitation to 37000 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
9)
May be
inoperative provided that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert was not displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set
to OFF, and
4)
The PACK 1 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, 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.
36-22-03-C Limitation to 31500 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
May be
inoperative provided that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert was not displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set
to OFF, and
4)
The PACK 1 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, and
7)
The aircraft is not operated in known
or forecast icing conditions, and
8)
The altitude is limited to 31500 ft ( 9600 m).
36-22-03-D No FL limitation
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| B 06.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
May be
inoperative provided that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert was not displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set
to OFF, and
4)
The PACK 1 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, 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.
36-22-03-E APU bleed check valve checked operative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| B 06.04.2026 | 1 | 0 | No |
(m)
1)
2)
3)
May be inoperative provided
that:
1)
The APU bleed check valve is checked operative, and
2)
The AIR APU BLEED LEAK alert was not displayed
during the previous flight, and
3)
The APU bleed air supply system is considered inoperative.
| 36-22-03 | APU Leak Detection Loop |
|---|
Applicable to: -
36-22-03-A APU bleed check valve replaced by a plate
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(m)
1)
2)
May be inoperative provided that:
1)
The APU bleed check valve is removed and replaced by a
plate, and
2)
The APU bleed air supply system is considered inoperative.
36-22-03-B No FL limitation
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
9)
May be inoperative provided
that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert and the APU LEAK FED BY ENG line were not
displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set to OFF, and
4)
The PACK 1 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, and
7)
The PACK 2 is operative, and
8)
The aircraft is not operated in known or forecast icing conditions
along the intended route, and
9)
The speedbrakes are operative.
36-22-03-C Limitation to 31500 ft
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 1 | 0 | No |
(o)
1)
2)
3)
4)
5)
6)
7)
8)
9)
May be inoperative provided
that:
1)
ETOPS is not conducted, and
2)
The AIR APU BLEED LEAK alert and the APU LEAK FED BY ENG line were not
displayed during the previous flight, and
3)
The ENG 1 BLEED pb-sw is set to OFF, and
4)
The PACK 1 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, and
7)
The PACK 2 is operative, and
8)
The aircraft is not operated in known or forecast icing conditions
along the intended route, and
9)
The altitude is limited to 31500 ft ( 9600 m).
36-22-03-E APU bleed check valve checked operative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| B 06.04.2026 | 1 | 0 | No |
(m)
1)
2)
3)
May be inoperative provided
that:
1)
The APU bleed check valve is checked operative, and
2)
The AIR APU BLEED LEAK alert and the APU LEAK FED BY ENG line were not displayed during the previous flight, and
3)
The APU bleed air supply system is considered inoperative.