AD 98-19-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A320-111 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
| aircraft | Airbus | A320-211 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
| aircraft | Airbus | A320-212 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
| aircraft | Airbus | A320-214 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
| aircraft | Airbus | A320-231 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
| aircraft | Airbus | A320-232 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
| aircraft | Airbus | A320-233 | Airworthiness Directives; Airbus Model A320 Series Airplanes |
Unsafe Condition
The possible loss of data recorded on the DFDR as a result of vibrations and/or accelerations during flight.
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Required Actions
Replace the existing DFDR vibration mounting rack with a new rack having improved damping, install a new bracket for re-routing the cable harness in accordance with Airbus Service Bulletin A320-31-1088, Revision 2, and ensure that DFDR racks with part numbers 404-050L1DPX2-1 or V2E2433L07F are not installed.
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Compliance Time
Within 15 months after the effective date of this AD (October 22, 1998).
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Affected Aircraft
Airbus Model A320 series airplanes equipped with a LORAL DFDR (part numbers 17M800-251/-261) where Airbus Modification 24959 (Service Bulletin A320-31-1088, Revision 1) has not been accomplished.
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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