AD 70-09-04

final rule
Data completeness: 70%

Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes

AD Number
70-09-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-9-11 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-12 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-13 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-14 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-15 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-15F Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-21 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-31 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-32 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes
aircraft The Boeing Company DC-9-32 (VC-9C) Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes

Unsafe Condition

Tire tread separation striking the fire-x-fuel shutoff valve cable system could cause a possible fuel interruption.

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

Required Actions

Install a protective guard over the fire-x-fuel shutoff valve return idler pulley bracket in the main landing gear wheel wells in accordance with Douglas Aircraft Co. Service Bulletin No. 28-16, Revision 1, or an equivalent installation approved by the FAA.

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

Compliance Time

within the next 800 hours time in service after the effective date of this AD

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Affected Aircraft

MCDONNELL DOUGLAS DC-9 series airplanes certificated as listed in Douglas Aircraft Company Service Bulletin No. 28-16, Revision 1, dated January 9, 1970, or later FAA approved revision.

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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