AD 93-01-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A320-111 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-211 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-212 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-214 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-231 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-232 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-233 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
Unsafe Condition
Failure of the smoke detection system to provide warning of a fire in the lavatory due to damaged, blocked, or contaminated flexible hoses, air extraction ducting, hose/duct connections, or inlet grids.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 450 hours time-in-service after February 10, 1993, perform a close visual inspection of the flexible hoses and associated components per AOT 26-07. Repair or replace damaged hoses before further flight; repaired hoses must be replaced within 400 hours. Clean blocked or contaminated parts before further flight. Alternative methods may be approved by the FAA.
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Compliance Time
Within 450 hours time-in-service after the effective date of this AD
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Affected Aircraft
AIRBUS INDUSTRIE Model A320 series airplanes on which Modification 22561 has not been installed, including models A320-111, A320-211, A320-212, A320-214, A320-231, A320-232, A320-233.
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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