AD Amdt-39-10964

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 727 Series Airplanes Modified in Accordance With Supplemental Type Certificate SA1444SO, SA1509SO, SA1543SO, SA1896SO, SA1740SO, or SA1667SO

AD Number
Amdt-39-10964
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-81-AD
FR Citation
64 FR 2061

Applicability

TypeManufacturerModelDetails
aircraft Boeing 727 Airworthiness Directives; Boeing Model 727 Series Airplanes Modified in Accordance With Supplemental Type Certificate SA1444SO, SA1509SO, SA1543SO, SA1896SO, SA1740SO, or SA1667SO

Unsafe Condition

The unreinforced floor structure of the main cargo deck may not be strong enough to safely carry the maximum payload currently allowed, potentially leading to failure of the floor structure.

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

Required Actions

Revise the Limitations Sections of all Airplane Flight Manuals (AFM), AFM Supplements, and Airplane Weight and Balance Supplements to limit the payload on the main cargo deck. Optionally, submit data and analyses to substantiate the strength of the main cargo deck or modify the main cargo deck as a terminating action.

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

Compliance Time

Before further flight

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

Affected Aircraft

Boeing Model 727 series airplanes modified in accordance with Supplemental Type Certificates SA1444SO, SA1509SO, SA1543SO, SA1896SO, SA1740SO, or SA1667SO.

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

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