AD 2000-21-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | BH | Airworthiness Directives; Raytheon Model BH.125, DH.125, and HS.125 Series Airplanes |
Unsafe Condition
Scoring of the upper fuselage skin around the periphery of the cockpit canopy blister interface, which could result in reduced structural integrity of the fuselage skin and consequent cabin depressurization.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time detailed visual inspection to detect scoring of the upper fuselage skin around the periphery of the cockpit canopy blister interface. If scoring is detected, determine the maximum location and details of each score, including the edge distance and material thickness. Repair in accordance with the service bulletin if within specified limits, or with an approved method if outside the limits.
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Compliance Time
Within 90 days after the effective date of this AD for newly added airplanes, or within 90 days after June 6, 1997, for previously covered airplanes.
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Affected Aircraft
Raytheon Model DH.125, BH.125, and HS.125 series airplanes, as listed in Raytheon Aircraft Service Bulletin SB 53-93, Revision 2, dated April 2000; 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 6, 2026
Rights: U.S. Government Public Domain
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