AD 2001-21-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-600 | Airworthiness Directives; Boeing Model 737-600, -700, and -800 Series Airplanes |
Unsafe Condition
Damage to the web of the aft pressure bulkhead at body station (BS) 1016, which could result in structural failure of the aft pressure bulkhead and consequent uncontrolled decompression, or loss of structural integrity of the forward support of the vertical fin, loss of the vertical fin, and consequent loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a detailed visual inspection for damage of the aft pressure bulkhead at body station 1016 and the forward attachment of the vertical fin at body section 48. Take corrective action if damage is found, per a method approved by the FAA or per data meeting the type certification basis of the airplane approved by a Boeing Company Designated Engineering Representative.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight if a severe shimmy event that damaged the main landing gear, a hard landing, or a tail strike occurs after the effective date of this AD.
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Affected Aircraft
Boeing Model 737-600, -700, and -800 series airplanes, line numbers 1 through 405 inclusive, and line numbers 466, 585, 590, and 793.
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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