AD 2013-15-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The frame-to-floor beam attachment is subject to widespread fatigue damage, which could result in reduced structural integrity of the airplane and decompression of the cabin.
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Required Actions
Perform a high frequency eddy current inspection for cracking of the frames at body station (STA) 188 through STA 344, in the area of the floor beam attachments on both the left- and right-sides of the airplane. Repeat the inspection at intervals not to exceed 20,000 flight cycles. Repair any cracks found before further flight.
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Compliance Time
Within 24 months after the effective date of this AD or before the accumulation of 61,000 total flight cycles, whichever occurs later.
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Affected Aircraft
The Boeing Company Model 727, 727C, 727-100, 727-100C, 727-200, and 727-200F series airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin 727-53-0234, dated January 17, 2013.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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