AD Amdt-39-9638

final rule
Data completeness: 70%

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

AD Number
Amdt-39-9638
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-98-AD
FR Citation
61 FR 27251

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9-80 Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes

Unsafe Condition

Failure of fluorescent light ballasts in the upper and lower cabin sidewall and subsequent failure of the dust barriers of the outboard ceiling panel can emit smoke, fumes, and/or electrical fire.

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

Required Actions

Conduct a visual inspection to determine the type of fluorescent light ballasts installed in the cabin sidewall. Install a protective cover, replace, or remove/disconnect the ballasts as necessary. Remove dust barriers from outboard ceiling panels and install modified outboard ceiling panels.

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-9-80 series and Model MD-88 airplanes with fluorescent light ballasts and dust barriers on outboard ceiling panels as installed.

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

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