AD 2008-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Eurocopter Deutschland GMBH Model MBB-BK 117C-2 Helicopters |
Unsafe Condition
During inadvertent operation of the fire extinguishing system, one of the two injection tubes became disconnected. This could affect the ability of the fire extinguishing system to perform its intended function in the case of activation, leading to the inability to suppress an engine fire.
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Required Actions
Replace the current injection tube clamps by installing GBS clamps, part number GBSM24/18W4SK, following the Accomplishment Instructions, paragraph A., and Figure 1 of Eurocopter Alert Service Bulletin MBB BK117 C-2-26A-001, dated January 22, 2007.
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Compliance Time
At the next 100 hours time-in-service inspection, unless already done.
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Affected Aircraft
Eurocopter Deutschland GMBH Model MBB-BK 117C-2 helicopters, Serial Number (S/N) 9004 through S/N 9104, and S/N 9106, 9107, and 9111, with a fire extinguishing system B26K1002-801, B262K1003-801, or B262K1004-801 installed, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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