AD 2004-23-18

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes

AD Number
2004-23-18
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2004-18809
FR Citation
69 FR 68775

Applicability

TypeManufacturerModelDetails
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The magnetic variation table installed in the Honeywell inertial reference system (IRS) is obsolete at certain airports, which could cause magnetic and IRS deviations, potentially leading to the airplane departing the runway during a CAT 2 or CAT 3 automatic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.

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

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.

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

Compliance Time

Within 14 days after the effective date of this AD.

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

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.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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