Squawk Box

October 1999 Issue

Kidde You Not

Fire extinguisher overhaul may leave you hot under the collar

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts. Click here to view "Airworthiness Directives."

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An aircraft owner delivered a Kidde Dexaero fire extinguisher to an FAA-certificated repair station for a hydrostatic test and overhaul.

After a receiving inspection, the unit was routed to the production department so the necessary work could be performed. The unit was found to be full of extinguishing agent and was purged.

While disassembling the fire extinguisher, the technician noticed that the yellow outlet rupture disk had been fired, even though the cylinder was...

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