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Halon Out Of Specification

Halon Out Of Specification. Background Status References. Background. Issue Suspect contaminated Halon 1211 and 1301 delivered to industry. Contaminated in the sense that does not fulfill purity level per specification

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Halon Out Of Specification

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  1. Halon Out Of Specification • Background • Status • References

  2. Background Issue Suspect contaminated Halon 1211 and 1301 delivered to industry. Contaminated in the sense that does not fulfill purity level per specification This Halon may have been used for aviation fire fighting equipments and installed on aircraft : Handheld fire extinguishers Engine, APU and Cargo fire extinguishers Lavatory fire extinguisher (not affected) 2

  3. Background • Origin • A UK-based company is suspected to have delivered Halon of variable purity to several companies involved in aviation fire extinguishing equipment overhaul and/or manufacturing • Customer database gives around 15 companies potentially affected • Quantities involved : …considerable from raw data…

  4. Status EASA Communication CAA-UK report To EASA -SIB release • To confirm to be in reception of Halon; • To confirm use of Halon for Aviation; • To confirm condition of Halon received (i.e purity test); • To identify and locate where Halon had been dispatched; • To provide support for potential fire extinguishing efficiency • test • To report to EASA (TD 20 Nov 2009) EASA Letter To Companies potentially affected ON-GOING • Evaluation of deviations (Toxicity – Fire extinguishing efficiency); • Identification of quantities involved • Fleet impact; Safety Assesment • Mandatory corrective actions (if necessary) • SIB update EASA Communication 4

  5. Status • Preliminary Information • Halon 1301: mostlikely out of any in-service corrective actions; • Halon 1211: • seem to beconcern, especially for toxicity aspects. • Likely to have forced in-service corrective actions 5

  6. References Airworthiness Communication from CAA-UK AIRCOM 2009/13, dated 12 Oct 2009 Flight Ops Communication from CAA-UK FODCOM 30/2009, dated 12 Oct 2009 Safety Information Bulletin from EASA SIB 2009-39, dated 23 oct 2009 6

  7. Conclusion Large amount of data requiring verification; Feedback coming slowly to the agency; Safety assesment may require further testing and industry support; To date, no indication to warrant an Airworthiness Directive (AD) action for Halon 1301; Upon Unsafe condition identification, for Halon 1211, EASA may take further action (AD). 7

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