AD Amdt-39-9492

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-100 and -200 Series Airplanes Modified in Accordance With Supplemental Type Certificate (STC) SA2322SO or SA4227NM-D.

AD Number
Amdt-39-9492
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-01-AD
FR Citation
61 FR 1703

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-100 and -200 Airworthiness Directives; Boeing Model 747-100 and -200 Series Airplanes Modified in Accordance With Supplemental Type Certificate (STC) SA2322SO or SA4227NM-D.

Unsafe Condition

Malfunction of the safety interlock system of the main deck side cargo door could result in the door opening in flight and rapid decompression.

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

Required Actions

Inspect the latch safety pins of the main deck side cargo door repetitively, deactivate certain panel lights, and install a placard indicating the deactivation.

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 747-100 and -200 series modified with STC SA2322SO or SA4227NM-D.

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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