AD 2010-17-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company Model 737-100 and -200 | Airworthiness Directives; The Boeing Company Model 737-100 and -200 Series Airplanes |
Unsafe Condition
Fatigue cracks at certain frame sections and stub beam cracking, caused by high flight cycle stresses from both pressurization and maneuver load, which could result in reduced structural integrity of the frames.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform repetitive inspections for cracking and damaged fasteners of certain fuselage frames and stub beams, and take corrective actions if necessary. For certain airplanes, inspect the inboard chord fastener hole of the frame at body station 639, stringer S-16, and take corrective actions if necessary. For airplanes with a short edge margin of the lower chord, perform repetitive inspections for cracking and take corrective actions if necessary. Replace the lower chord to terminate repetitive inspections. Eventually, perform a preventive modification which may include reinforcing body frame inner chords, replacing stub beam upper chords and attach angles, and reinforcing the stub beam web.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before the accumulation of 15,000 total flight cycles or within 3,000 flight cycles after the effective date of this AD, whichever occurs later.
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Affected Aircraft
The Boeing Company Model 737-100 and -200 series airplanes, line numbers 1 through 848 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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