AD 99-23-09

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes

AD Number
99-23-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-NM-106-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Airbus A319-111 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A319-112 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A319-113 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A319-114 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A319-131 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A319-132 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A320-111 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A320-211 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A320-212 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes
aircraft Airbus A320-214 Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes

Unsafe Condition

Defective seals in the wheel steering selector valve of the hydraulic control unit for the nose landing gear could result in uncommanded nose landing gear wheel rotation, which could reduce controllability of the airplane.

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

Required Actions

Modify the electro-distributor for the nose wheel steering servo-control as specified in Airbus Service Bulletin A320-32-1197. Compliance is required within 12 months of the effective date of this AD.

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

Compliance Time

Within 12 months of the effective date

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

Affected Aircraft

Airbus Model A319, A320, and A321 series airplanes except those with Modification 23740 or compliance with Service Bulletin A320-32-1197.

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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