AD 98-18-17

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes

AD Number
98-18-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-NM-10-AD
FR Citation
(Federal Register: September 03, 1998 (Volume 63, Number 171))

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-9-81 (MD-81) Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes
aircraft The Boeing Company DC-9-82 (MD-82) Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes
aircraft The Boeing Company DC-9-83 (MD-83) Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes
aircraft The Boeing Company DC-9-87 (MD-87) Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes
aircraft The Boeing Company MD-88 Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes
aircraft The Boeing Company MD-90-30 Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-90-30 and MD-88 Airplanes

Unsafe Condition

Failure of the tailcone emergency evacuation slide to deploy automatically due to incorrect diameter of the swaged balls on the wire rope of the harness assembly.

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

Required Actions

Perform a one-time inspection of the harness assembly to determine the diameter of the swaged balls; reidentify and reinstall or replace the assembly with a new part number if necessary, in accordance with specified service bulletins. Operators must comply with installation restrictions for part number 8370024-3.

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

Compliance Time

Within 180 days after the effective date of this AD (October 8, 1998), or prior to further flight if swaged balls are outside limits.

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

Affected Aircraft

McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88, and MD-90-30 airplanes, all serial numbers.

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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