AD 73-12-09

final rule
Data completeness: 70%

Airworthiness Directives; ROCKWELL INTERNATIONAL Model NA-265-40, NA-265-60, NA-265-70 Airplanes

AD Number
73-12-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Sabreliner Corporation NA-265-40 Airworthiness Directives; ROCKWELL INTERNATIONAL Model NA-265-40, NA-265-60, NA-265-70 Airplanes
aircraft Sabreliner Corporation NA-265-60 Airworthiness Directives; ROCKWELL INTERNATIONAL Model NA-265-40, NA-265-60, NA-265-70 Airplanes
aircraft Sabreliner Corporation NA-265-70 Airworthiness Directives; ROCKWELL INTERNATIONAL Model NA-265-40, NA-265-60, NA-265-70 Airplanes

Unsafe Condition

Unwanted thrust reverser deployment

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

Required Actions

Stow and lock thrust reversers in forward thrust position with placard, pull and collar specified electrical circuit breakers, incorporate revisions to Airplane Flight Manuals, perform pre-flight checks, rigging inspections, 100-hour inspection, relay check, wiring change, or install strengthened stang bracket and automatic stow system per service bulletins. Equivalent procedures may be approved.

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

Compliance Time

prior to further flight

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

Affected Aircraft

ROCKWELL INTERNATIONAL Model NA-265-40 (serials prior to 282-138), NA-265-60 (serials prior to 306-81), NA-265-70 (serials 370-2 through 370-6, 370-8, 370-9)

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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