AD 2000-15-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 | Airworthiness Directives; Boeing Model 737-100, -200, and -200C Series Airplanes |
Unsafe Condition
Stress corrosion cracking in the front spar of the center section of the horizontal stabilizer, which could result in structural failure of the horizontal stabilizer and loss of control of the airplane.
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Required Actions
Perform a detailed visual inspection to detect cracks in the front spar of the center section of the horizontal stabilizer, in accordance with Boeing Alert Service Bulletin 737-55A1071. If cracking is within certain limits, rework the front spar fitting by removing damaged material, performing a high frequency eddy current inspection, and shot peening the damaged area. If cracking is outside the limits, contact the manufacturer for repair instructions.
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Compliance Time
Within 90 days after the effective date of this AD.
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Affected Aircraft
Boeing Model 737-100, -200, and -200C series airplanes; line numbers 1 through 315 inclusive, 323, and 324; 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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