AD 2009-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-600 | Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800 and -900 Series Airplanes |
Unsafe Condition
Cracking of frames around the attachment holes of certain support brackets of the air conditioning (A/C) outlet extrusions, which, if not corrected, could lead to a severed frame that, combined with cracking of the skin lap splice above stringer 10, could result in rapid decompression of the airplane.
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Required Actions
Conduct a one-time general visual inspection of frames between body station (BS) 360 and BS 907 to determine if certain support brackets of the A/C outlet extrusions are installed. Perform medium- and high-frequency eddy current inspections for cracking of the frames around the attachment holes of the subject brackets. Repair if necessary. Install new, improved fittings for all support brackets of the A/C outlet extrusions between BS 360 and BS 907.
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Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 737-600, -700, -700C, -800, and -900 series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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