Airworthiness directives › 2022-06-06
AD 2022-06-06 Airworthiness Directives; The Boeing Company Airplanes
Models named: 737-600, -700, -700C, -800, -900, -900ER series, 737-8, 737-9. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all The Boeing Company airplanes specified in paragraphs (c)(1) and (2) of this AD, certificated in any category. (1) Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. (2) Model 737-8 and 737-9 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For airplanes with an original airworthiness certificate or original export certificate of airworthiness issued before the effective date of this AD: Within 27 months after the date of issuance of the original airworthiness certificate or original export certificate of airworthiness, or within 27 months after the effective date of this AD, whichever occurs later, determine whether the captain's and first officer's rudder pedal cover and shroud assemblies have been modified as specified in Boeing Alert Requirements Bulletin 737-27A1313 RB, Revision 1, dated June 24, 2020; or 737-27A1314 RB, Revision 2, dated July 6, 2021; as applicable, or has a production equivalent. A production equivalent can be determined by its upper cover assembly part numbers (P/Ns 251A3122-15 (pilot) and 251A3122-16 (first officer), or later approved part numbers) and shroud assembly part numbers (P/Ns 233A2319-5 or -6, or later approved part numbers, used for both pilot and first officer). A review of airplane maintenance records is acceptable for this requirement if the modification status can be conclusively determined from that review.
Unsafe condition
This AD was prompted by a report of an aborted takeoff because the rudder pedals were not operating correctly, and subsequent reports of loose rudder pedal cover fasteners on airplanes on which the actions required by AD 2017-14-13 were done and on additional airplanes that were not included in the applicability of AD 2017-14-13. The FAA is issuing this AD to address cover assembly fasteners interfering with the operation of a rudder pedal. A fastener can back out and restrict rudder pedal motion and reduce differential braking control during takeoff or landing, which could cause a high-speed runway excursion.
Affected ADs
This AD replaces AD 2017-14-13, Amendment 39-18957 (82 FR 33007, July 19, 2017) (AD 2017-14-13).
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