AD Amdt-39-11201

Recurring final rule
Data completeness: 70%

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

AD Number
Amdt-39-11201
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-109-AD
FR Citation
64 FR 33392

Applicability

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

Unsafe Condition

Fatigue cracking of the main landing gear (MLG) shock strut pistons, which could result in piston failure and consequent damage to the airplane structure or injury to passengers and flightcrew.

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

Required Actions

Inspect the main landing gear (MLG) shock strut pistons for cracking. Replace any cracked piston with a new or serviceable part.

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

Compliance Time

Within 50 flight hours after the effective date of this AD.

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

Affected Aircraft

McDonnell Douglas Model DC-9-80 series airplanes, Model MD-88 airplanes, and Model MD-90-30 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-9-80

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2001-09-18 Recurring

final rule

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

Unsafe Condition: could result in failure of the pistons and subsequent damage to the airplane structure or injury to airplane occupants.

Effective: Jun 14, 2001 Category: aircraft

2001-06-16

final rule

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

Unsafe Condition: could result in ingestion of ice into one or both engines and consequent loss of thrust from one or both engines.

Effective: May 7, 2001 Category: aircraft

2000-11-01

final rule

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

Unsafe Condition: This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-9-80 and MD-90-30 series airplanes, and Model MD-88 airplanes, that requires a determinati...

Effective: Jun 30, 2000 Category: aircraft

Amdt-39-11428

final rule

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

Unsafe Condition: could result in fatigue cracking and reduced structural integrity of the airplane.

Effective: Dec 27, 1999 Category: aircraft

View all McDonnell Douglas ADs →