AD 2012-05-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Heat damage to the inner wall of the thrust reversers could result in separation of adjacent components and consequent structural damage to the airplane, damage to other airplanes, and injury to people on the ground.
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Required Actions
Modify the thrust reverser inner walls, inspect for damage of the upper and lower inner wall insulation blankets, measure the electrical conductivity on the aluminum upper compression pads 2 and 3 as applicable, inspect for discrepancies of the inner wall of the thrust reverser, and take corrective actions if necessary. For certain airplanes, replace the inner wall blanket insulation, install updated full-authority digital electronic control software, and modify the thrust reverser inner wall and insulation blankets.
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Compliance Time
Within 24 months of the effective date
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Affected Aircraft
The Boeing Company Model 737-600, -700, -700C, -800, and -900 series airplanes, excluding Model 737-900ER series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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