AD 99-26-08

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes

AD Number
99-26-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
96-NM-194-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Airbus A300 B4-601 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A300 B4-603 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A300 B4-605R Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A300 B4-620 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A300 B4-622R Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A300 F4-605R Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A300 F4-622R Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A310-203 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A310-221 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes
aircraft Airbus A310-222 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes

Unsafe Condition

Inadvertent and uncommanded rudder trim activation, which could result in yaw and roll excursions and consequent reduced controllability of the airplane.

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

Required Actions

Replace the rudder trim switch (P/N 097-023-00) with a new switch (P/N 097-023-01) and modify wiring in panel 408VU within 90 days. Replace the rudder trim control knob with an improved knob within 10 months. Ensure no installation of the original rudder trim switch (P/N 097-023-00) after the effective date.

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

Compliance Time

Within 90 days after effective date for switch replacement and wiring modification; within 10 months after effective date for knob replacement.

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

Affected Aircraft

Airbus Model A310 and A300-600 series airplanes except those with Modification 11874 accomplished.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.