AD 90-09-11

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 737-300 and -400 Series Airplanes

AD Number
90-09-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-05-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within 3 years after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

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

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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