APU Fire Detection Loop
| 26-13-01 | APU Fire Detection Loop |
|---|
Applicable to: -
26-13-01-A Loop A inoperative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(o)
1)
2)
3)
APU fire
detection loop A may be inoperative provided that:
1)
ETOPS beyond 120 min is not conducted, and
2)
The APU fire test is made before each APU start, and
3)
During APU operations on ground, APU condition is continuously monitored in the cockpit.
26-13-01-B Loop B inoperative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 1 | No |
(o)
1)
2)
APU fire
detection loop B may be inoperative provided that:
1)
ETOPS beyond 120 min is not conducted, and
2)
The APU fire test is made before each APU start.
26-13-01-C Both loops inoperative
| Repair interval | Nbr installed | Nbr required | Placard |
|---|---|---|---|
| C 13.04.2026 | 2 | 0 | No |
Both loops may be inoperative provided
that:
1)
ETOPS is not conducted, and
2)
The APU is deactivated.