AD Amdt-39-11086

Recurring final rule
Data completeness: 70%

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

AD Number
Amdt-39-11086
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-203-AD
FR Citation
64 FR 13890

Applicability

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

Unsafe Condition

Fatigue cracks in the fuselage skin and/or longeron could result in loss of structural integrity and rapid depressurization.

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

Required Actions

Conduct repetitive high frequency eddy current inspections of specified fuselage areas to detect cracks. Install a preventative modification to terminate inspections. Follow subsequent actions as required.

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 series, Model MD-88, and C-9 military series airplanes subject to the existing AD requiring fuselage inspections.

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 and DC-9- 80

Related Airworthiness Directives

Amdt-39-10919

final rule

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

Unsafe Condition: could result in reduced structural integrity of the fuselage, and consequent loss of pressurization of the airplane.

Effective: Jan 7, 1999 Category: aircraft

Amdt-39-10626 Recurring

final rule

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

Unsafe Condition: could result in loss of the structural integrity of the fuselage and, consequently, lead to rapid depressurization of the airplane.

Effective: Jul 30, 1998 Category: aircraft

Amdt-39-10537

final rule

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

Unsafe Condition: could result in retraction of the spoilers and full advancement of the left throttle during a go-around.

Effective: Jun 26, 1998 Category: aircraft

Amdt-39-10320 Recurring

final rule

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

Unsafe Condition: could result in rapid decompression of the fuselage and consequent reduced structural integrity of the airplane.

Effective: Feb 25, 1998 Category: aircraft

View all McDonnell Douglas ADs →