AD 2001-06-16

final rule
Data completeness: 70%

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

AD Number
2001-06-16
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-326-AD
FR Citation
66 FR 17499

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

Ice accumulation on the wing upper surfaces shedding into the engines during takeoff, which could result in ingestion of ice into one or both engines and consequent loss of thrust from one or both engines.

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

Required Actions

Install an overwing heater blanket system or a primary upper wing ice detection system. Install a heater protection panel or an equipment protection device on certain overwing heater blanket systems. Revise the Airplane Flight Manual (AFM) to specify restrictions on operations during icing conditions and to advise the flight crew of the hazards associated with ice accumulation on wing surfaces.

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

Compliance Time

Within 3 years of the effective date.

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

Affected Aircraft

All McDonnell Douglas Model DC-9-80 series airplanes and Model MD-88 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

Related Airworthiness Directives

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

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

Amdt-39-11201 Recurring

final rule

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

Unsafe Condition: could result in failure of the piston, and consequent damage to the airplane structure or injury to the passengers and flightcrew.

Effective: Jul 28, 1999 Category: aircraft

View all McDonnell Douglas ADs →