AD 2007-24-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135ER, -135KE, -135KL, and -135LR Airplanes and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135ER, -135KE, -135KL, and -135LR Airplanes and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes |
Unsafe Condition
Development of cracks in the forward fuselage right-hand (RH) side skin during full-scale fatigue tests. These cracks may quickly reach their critical length, reducing aircraft structural integrity, with possible rapid decompression of the aircraft.
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Required Actions
Add two reinforcements to the forward fuselage skin on the LH and RH sides between frames 9 to 10 and 10 to 11, and stringers 12 to 15. Install supports to the reinforcements and stringers, and new fasteners to the reinforcements and supports. Reroute the electrical wiring on the affected area. All actions must be done in accordance with EMBRAER Service Bulletin 145-53-0067, Revision 01 or 02.
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Compliance Time
Prior to the accumulation of 22,000 total flight cycles, or within 6 months after the effective date of this AD, whichever is later.
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Affected Aircraft
EMBRAER Model EMB-135ER, -135KE, -135KL, and -135LR airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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