Airworthiness directives › 2012-09-01
AD 2012-09-01 Airworthiness Directives; Cessna Aircraft Company Airplanes
Makes named: cessna. Models named: 560XL. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Cessna Aircraft Company Model 560XL airplanes; certificated in any category; having serial numbers 5002 through 5372 inclusive, 5501 through 5830 inclusive, 6001 through 6055 inclusive, 6057 through 6066 inclusive, 6069 through 6071 inclusive, and 6073 through 6077 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 1 year after the effective date of this AD, or during the next tire change accomplished after the effective date of this AD, whichever occurs first: Do the actions specified in paragraphs (g)(1), (g)(2), and (g)(3) of this AD on both main wheels, in accordance with the Accomplishment Instructions of Cessna Service Bulletin SB560XL-32-41, Revision 1, dated May 5, 2011, including Supplemental Data, dated February 25, 2011. Do all applicable repairs and replacements before further flight. (1) Do a general visual inspection of the torque lug and surrounding components (wheel base, side rim, lock ring) for damage (such as corrosion, cracks, dents, bent areas, damaged or missing paint or primer, or wear on the metal), and of the bearing cup for corrosion, turned cup, or clearance that exceeds limits, and all applicable repairs. (2) Measure the torque lugs for width and replace screws and inserts with new, improved screws and inserts. (3) Re-identify the wheel assembly. Note 1 to paragraph (g) of this AD: Cessna Service Bulletin SB560XL-32-41, Revision 1, dated May 5, 2011, including Supplemental Data, dated February 25, 2011, refers to Goodrich Service Bulletin 3-1571-32-7, dated February 25, 2011, as an additional source of guidance on inspecting and repairing the torque lugs, surrounding components, and bearing cup, and re-identifying the wheel assemblies.
Unsafe condition
This AD was prompted by reports of wheel inserts becoming loose and damaging brake assemblies on Model 560XL airplanes. We are issuing this AD to prevent brake failure, which could result in an airplane not being able to stop on the runway.
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