AD 2013-14-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of cracks on the elevator rear spar stiffener assembly, which could adversely affect elevator structural stiffness, leading to elevator vibration, interference with the tab control rod, and potential flutter and loss of control.
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Required Actions
Perform repetitive detailed inspections for cracking of the elevator rear spar stiffener assembly, and take corrective actions if necessary. All applicable corrective actions must be completed before further flight.
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Compliance Time
Within the compliance times specified in Boeing Special Attention Service Bulletin 727-55-0094, dated March 21, 2012, or within 96 months after replacement, as applicable.
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Affected Aircraft
All The Boeing Company Model 727, 727C, 727-100, 727-100C, 727-200, and 727-200F series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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