AD 90-09-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737-300 and -400 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; BOEING Model 737-300 and -400 Series Airplanes |
Unsafe Condition
Evacuation slides may fail to automatically inflate when needed due to a design deficiency in the frangible link mechanism.
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Required Actions
Install a frangible link in accordance with Air Cruisers Service Bulletin 103-25-17. Alternate means of compliance or adjusted compliance time may be approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199.
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Compliance Time
within 3 years after the effective date of this AD
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Affected Aircraft
BOEING Model 737-300 and -400 Series airplanes equipped with Air Cruisers Company forward door evacuation slides identified in paragraph 1A of Service Bulletin 103-25-17
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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