AD 2017-14-12

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Airplanes

AD Number
2017-14-12
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2016-9508
FR Citation
82 FR 39347

Applicability

TypeManufacturerModelDetails
aircraft Airbus A318 Airworthiness Directives; Airbus Airplanes

Unsafe Condition

Loss of elevator servo control monitoring performed by SEC 1, SEC 2, or both, during engine start, which could lead to an undetected loss of redundancy during flight if an affected SEC cannot control the related elevator servo control(s), possibly resulting in reduced control of the airplane.

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

Required Actions

Install new updated SEC software. Revise the After Start Normal Procedures section of the airplane flight manual (AFM) to address latent failures in the spoiler and elevator computer (SEC).

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

Compliance Time

Within 3 months of the effective date.

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

Affected Aircraft

All Airbus Model A318, A319, A320, and A321 series airplanes.

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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