Airworthiness directives › 2024-26-09
AD 2024-26-09 Airworthiness Directives; Bombardier, Inc., Airplanes
Models named: BD-700-1A10, BD-700-1A11. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes, certificated in any category, having serial numbers 9002 through 60081 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2021-10-02, with a change to table 1 to paragraph (g), which identifies the airplane marketing designation instead of the serial number range, and a change to add an additional source for identifying the date of airplane manufacture. Within 36 months from July 29, 2021 (the effective date of AD 2021-10-02) or within 63 months from the date of airplane manufacture, as identified on the identification data plate of the airplane or in the airplane technical logbook, whichever occurs later: Do a general visual inspection of the left- and right-hand elevator torque tube bearings for any sand, dust, or corrosion; perform a functional test of the elevator control system; and do all applicable corrective actions; in accordance with the Accomplishment Instructions of paragraphs 2.B., 2.C., and 2.D. of the applicable material specified in table 1 to paragraph (g) of this AD. Applicable corrective actions must be done before further flight. Repeat the general visual inspection and functional test thereafter at intervals not to exceed 63 months. Accomplishing the revision of the existing maintenance or inspection program required by paragraph (i) of this AD terminates the requirements of this paragraph. Table 1 to Paragraph (g)—Service Information ER04FE25.000
Unsafe condition
This AD was prompted by a determination that a new airworthiness limitation is necessary. The FAA is issuing this AD to address sand contamination and corrosion of the elevator torque tube bearings, which could lead to binding or seizure of the bearings, and potentially lead to a reduction in or loss of airplane pitch control.
Affected ADs
This AD replaces AD 2021-10-02, Amendment 39-21535 (86 FR 33088, June 24, 2021) (AD 2021-10-02).
Read the original on the Federal Register →
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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