AD 87-26-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2A | Airworthiness Directives; BRITISH AEROSPACE Model H.S. 748 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2B | Airworthiness Directives; BRITISH AEROSPACE Model H.S. 748 Series Airplanes |
Unsafe Condition
Loss of the overwing escape hatch during flight due to improper locking of the escape hatch locking mechanism.
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Required Actions
Replace the escape hatch locking mechanism with P/N 10D14062 locking mechanism assembly in accordance with British Aerospace Service Bulletin No. 52/127. An alternate means of compliance or adjustment may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
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Compliance Time
within 5 months after the effective date of this AD
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Affected Aircraft
BAE Systems (Operations) Limited Model HS 748 Series 2A and HS 748 Series 2B airplanes listed in British Aerospace Service Bulletin 52/127, dated May 29, 1985.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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