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Forum: Engineers & Technicians

8th Sep 2016, 12:02

Replies: 11

Fire and overhear detectors (firewires) out of resistance.

Views: 4,613

Posted By johnsmith0774

A380 AMM ref: TASK 36-22-00-600-801-A...

A380 AMM ref:

TASK 36-22-00-600-801-A Wetting current procedure

Forum: Engineers & Technicians

26th Aug 2016, 04:30

Replies: 11

Fire and overhear detectors (firewires) out of resistance.

Views: 4,613

Posted By johnsmith0774

This is a well known way of bringing a firewire...

This is a well known way of bringing a firewire back into tolerance. Are you one if those people who follows the AMM?

Forum: Engineers & Technicians

14th Aug 2016, 11:56

Replies: 11

Fire and overhear detectors (firewires) out of resistance.

Views: 4,613

Posted By johnsmith0774

Fire and overhear detectors (firewires) out of resistance.

At my airline we had a 747 engine fire detector element (firewire) that waa out of resistance. The resistance was 10.2 M ohms and it should be no more than 80 ohms.

We Megger'ed the firewire from...

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