AD 2004-05-25

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; Model DC-9-20, -30, -40, and -50 Series Airplanes; and Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88, and MD-90-30 Airplanes

AD Number
2004-05-25
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2003-16647
FR Citation
69 FR 12061

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9-14 Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; Model DC-9-20, -30, -40, and -50 Series Airplanes; and Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88, and MD-90-30 Airplanes

Unsafe Condition

Uncommanded seat movement during takeoff and/or landing due to insufficient engagement of seat locking pins with detent holes or excessive wear on seat lockpins.

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

Required Actions

Inspect the captain's and first officer's seat locking pins for minimum engagement with the detent holes in the seat tracks. Inspect the seat lockpins for excessive wear. Perform corrective actions if necessary.

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

Affected Aircraft

McDonnell Douglas Model DC-9-14, DC-9-15, DC-9-15F, DC-9-20, -30, -40, -50 Series, DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88, and 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-9-14

Related Airworthiness Directives

2010-23-10 Recurring

final rule

Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; and Model DC-9-20, DC-9-30, DC-9-40, and DC-9-50 Series Airplanes

Unsafe Condition: which could cause a possible fuel leak, damage to the wing skin, and structural failure of the upper cap, and result in reduced structural integrity of the airplane.

Effective: Dec 14, 2010 Category: aircraft

2009-24-21 Recurring

final rule

Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; and McDonnell Douglas Model DC-9-20, DC-9-30, DC-9-40, and DC-9-50 Series Airplanes

Unsafe Condition: could result in a collapsed MLG during takeoff or landing, and possible reduced structural integrity of the airplane.

Effective: Jan 8, 2010 Category: aircraft

2009-03-03

final rule

Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; and Model DC-9-20, DC-9-30, DC-9-40, and DC-9-50 Series Airplanes

Unsafe Condition: We are adopting a new airworthiness directive (AD) for certain McDonnell Douglas airplanes listed above. This AD requires installing a dam assembly for the container of the fuel boost pump of the c...

Effective: Mar 31, 2009 Category: aircraft

2006-18-05

final rule

Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; Model DC-9-21 Airplanes; Model DC-9-30 Series Airplanes; Model DC-9-41 Airplanes; and Model DC-9-51 Airplanes

Unsafe Condition: which could cause electrical arcing and consequent fire on the airplane.

Effective: Oct 11, 2006 Category: aircraft

View all McDonnell Douglas ADs →