AD 92-13-12

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 747-400 Series Airplanes

AD Number
92-13-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-254-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 747-400 Series Airworthiness Directives; BOEING Model 747-400 Series Airplanes
aircraft The Boeing Company 747-400D Series Airworthiness Directives; BOEING Model 747-400 Series Airplanes

Unsafe Condition

Delayed inflation of deployed escape slide/rafts.

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

Required Actions

Modify the regulator to become reservoir assembly P/N 5A2832-3 and perform a regulator leak check within 24 months after the effective date. For main deck door 2, modify the aspirators to form new aspirator assembly P/N 5A2870-1. Reidentify the modified slide/rafts as per the service bulletin.

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

Compliance Time

Within 24 months after the effective date of this AD

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

Affected Aircraft

Boeing Model 747-400 series airplanes equipped with specific BFGoodrich slide/raft part numbers (P/N 7A1467-1 through -16, 7A1479-1 through -10, 7A1469-1 through -8) and Boeing 747-300 airplanes with P/N 7A1479-1 through -10 on main deck door 2.

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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