AD Amdt-39-11378

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-90-30 Series Airplanes

AD Number
Amdt-39-11378
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-340-AD
FR Citation
64 FR 56424

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas MD-90-30 Airworthiness Directives; McDonnell Douglas Model MD-90-30 Series Airplanes

Unsafe Condition

Interference between the elevator cable pulley and the shroud frame of the ventral stairway could result in pitch oscillation of the airplane, leading to damage to the elevator cable pulley and reduced controllability.

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

Required Actions

Inspect to measure clearance and detect interference between the elevator cable pulley and the shroud frame of the ventral stairway. Modify the shroud frame of the ventral stairway as necessary.

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 MD-90-30 series 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

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