AD 93-07-15

final rule
Data completeness: 70%

Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;

AD Number
93-07-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-67-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 707-100 Long Body Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-100B Long Body Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-100B Short Body Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-200 Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-300 Series Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-300B Series Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-300C Series Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 707-400 Series Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 727-100 Series Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
aircraft The Boeing Company 727-100C Series Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;

Unsafe Condition

The unsafe condition involves a main deck Class B cargo compartment fire hazard due to insufficient fire protection systems and equipment, which could compromise the ability to detect, control, or extinguish a fire, endangering the airplane and occupants.

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

Required Actions

Revise the Airplane Flight Manual (AFM) to include pre-flight visual inspections of the cargo compartment. Install Halon 1211 fire extinguishers, water fire extinguishers, two-way communication systems, placards defining cargo loading envelopes, protective garments, and 30 minutes of protective breathing equipment. Additionally, within 42 months, modify the cargo compartment to Class C standards, use flame-resistant containers, or install fire suppression systems, detection systems, barriers, and other safety equipment as specified in the AD.

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

Compliance Time

Within one year after May 3, 1990, or prior to carrying cargo in a Class B cargo compartment, whichever occurs later for initial actions. Within 42 months after the effective date of this AD, or prior to carrying cargo in a Class B cargo compartment, whichever occurs later for the requirements of paragraph (b).

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

Affected Aircraft

Boeing Models 707, 727, 737, 747, and 757 series and McDonnell Douglas Models DC-8, DC-9, and DC-10 series airplanes equipped with a main deck Class B cargo compartment exceeding 200 cubic feet.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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