AD 98-20-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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
Water contamination of the avionics computers due to malfunction of the toilet rinse valve, which could result in the display of erroneous or misleading information to the flightcrew and consequent reduced controllability of the airplane.
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Required Actions
Replace all Monogram toilet rinse valves having part number 15800-348, Revision C, with modified rinse valves in accordance with Airbus Service Bulletin A320-38-1049 within 12 months after the effective date of this AD.
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Compliance Time
Within 12 months after the effective date of this AD
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Affected Aircraft
Airbus Model A319, A320, and A321 series airplanes equipped with Monogram rinse valves having part number 15800-348, Revision C, and on which Airbus Modification 26145 has not been accomplished.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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