AD 2014-13-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The tail strobe light is not electrically bonded to the primary structure of the airplane, which could result in damage to other critical airplane systems due to electromagnetic coupling and large transient voltages, and damage to control mechanisms or surfaces due to a fire in case of a direct lightning strike.
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Required Actions
Install a new tail strobe light housing and a new disconnect bracket, and change the wire bundles. For certain airplanes, inspect to determine if sealant is applied and take corrective actions if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 737-300, -400, -500, -600, -700, -700C, -800, -900, and -900ER series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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