AD 90-20-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
Unsafe Condition
Cracks in the forward cargo compartment sidewall frames.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a visual inspection of the forward cargo compartment sidewall frames for cracks within the next 2,000 flight cycles after the effective date or prior to accumulating 15,600 total flight cycles, whichever occurs later. Repeat inspections at intervals not exceeding 9,000 flight cycles. Repair cracked structure prior to further flight. Modification of affected structure per Boeing Service Bulletin terminates inspection requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 2,000 flight cycles after the effective date of this AD, or prior to accumulating 15,600 total flight cycles, whichever occurs later
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 727 series airplanes listed in Boeing Service Bulletin 727-53-0068, Revision 4, dated September 14, 1989, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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