AD Amdt-39-9893

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes

AD Number
Amdt-39-9893
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-99-AD
FR Citation
62 FR 3985

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes

Unsafe Condition

Failure of the piston of the outboard flight spoiler actuator due to fatigue at the clevis end of the upper lug mounting hole of the piston.

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

Required Actions

Install external protective doublers between the outboard flight spoiler actuators and the aft spar webs of the wings, or replace the pistons of the outboard flight spoiler actuators with improved pistons.

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

Compliance Time

Before further flight

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

Affected Aircraft

McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) series airplanes, and Model MD-88 airplanes

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for McDonnell Douglas DC-9

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