AD 90-22-08

final rule
Data completeness: 70%

Airworthiness Directives; AIRBUS INDUSTRIE Model A320-231 Series Airplanes

AD Number
90-22-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-199-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Airbus A320-231 Airworthiness Directives; AIRBUS INDUSTRIE Model A320-231 Series Airplanes

Unsafe Condition

Cracks in the rear engine mount barrel nuts could reduce structural integrity of the rear engine support structure.

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

Required Actions

Within 25 hours time-in-service after the AD's effective date, perform a visual inspection of the rear engine mount barrel nuts every 700 hours time-in-service. Replace cracked nuts before further flight. Daily torque checks of the rear engine mount bolts must be conducted on each flying day, with retorquing required if limits are not met.

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

Compliance Time

Within 25 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 700 hours time-in-service

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

Affected Aircraft

All Model A320-231 series airplanes, certificated in any category.

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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