AD 2004-23-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A319 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
Unsafe Condition
The magnetic variation table installed in the Honeywell inertial reference system (IRS) is obsolete at certain airports, which could cause magnetic and IRS deviations, potentially leading to the airplane departing the runway during a CAT 2 or CAT 3 automatic landing or roll-out.
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Required Actions
Revise the Limitations Section of the Airbus A318/319/320/321 AFM to prohibit operators from performing CAT 2 or CAT 3 automatic landings or roll-outs at certain airports by incorporating Airbus Temporary Revision (TR) 2.05.00/52, dated June 13, 2003, into the AFM. Alternatively, replace Honeywell ADIRUs with new ADIRUs having new part numbers, following the specified Airbus Service Bulletins.
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Compliance Time
Within 14 days after the effective date of this AD.
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Affected Aircraft
Airbus Model A319, A320, and A321 series airplanes equipped with a Honeywell air data inertial reference unit (ADIRU) having any part number listed in Table 1 of the AD, and on which Airbus Modification 30652, 30941, or 30942 has not been done.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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