AD 91-05-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767-300 Series Airplanes |
Unsafe Condition
Cross-connection of engine and cargo compartment fire extinguishing systems wiring and plumbing during maintenance could lead to failure of the fire extinguishing systems.
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Required Actions
Modify the engine and cargo compartment fire extinguishing system wiring and plumbing in accordance with Boeing Service Bulletins 767-26-0045 or 767-26-0048. This modification terminates repetitive inspections and functional tests required by AD 89-03-51.
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Compliance Time
within the next 48 months after the effective date of this AD, unless previously accomplished
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Affected Aircraft
BOEING Model 767-300 series airplanes certificated in any category listed in Boeing Service Bulletins 767-26-0045 and 767-26-0048.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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