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Airworthiness directives › 2019-05-10

AD 2019-05-10 Airworthiness Directives; Airbus SAS Airplanes

2019-04-08
2019-03-22
39-19592
FAA-2019-0122
Airframe
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Models named: A350-941. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Airbus SAS Model A350-941 airplanes, certificated in any category, manufacturer serial numbers as identified in Airbus Service Bulletin A350-27-P022, Revision 00, dated June 6, 2018.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Within 3 months after the effective date of this AD: Do a one-time detailed inspection (including a torque check on any affected nut) on each junction of flap torque-shaft 2 and slat torque-shafts 2 and 4 of the right and left hand wing for discrepancies (including missing torque marking on any nut, any untorqued nut, or any missing bolt), and do all applicable corrective actions in accordance with the Accomplishment Instructions of Airbus Service Bulletin A350-27-P022, Revision 00, dated June 6, 2018. Do all applicable corrective actions at the applicable times specified in paragraph 1.E., “Compliance,” of Airbus Service Bulletin A350-27-P022, Revision 00, dated June 6, 2018.

Unsafe condition

This AD was prompted by a report of un-torqued nuts on certain slat and flap shaft junctions of the wings. We are issuing this AD to address two or more missing or incorrectly torqued nuts on a junction of certain slat and flap shafts, concurrent failure of an alternate flap shaft, and consequent uncommanded slat or flap movement, which could result in loss of control of the airplane.

Affected ADs

None.

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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1