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US-2021-18-17 : Auto Flight - Operational Program Software - Inspection

Number US-2021-18-17
Issued by United States of America  United States of America
Issue date 2021-11-18
Effective date 2021-12-20
EASA approval number
ATA Chapter 22
Approval Holder
/ Type Designation
  • BOEING
    • 737
      • 737-600
      • 737-700
      • 737-700C
      • 737-800
      • 737-900
      • 737-900ER
Revision Not applicable
Correction Not applicable
Supersedure This AD supersedes FAA AD 2012-21-08 dated 23 October 2012.
Publication(s) and related information Boeing Alert Requirements Bulletin 737-22A1322 RB, Revision 1, dated January 28, 2021. Boeing Alert Service Bulletin 737-22A1211, dated April 13, 2010. Boeing Alert Service Bulletin 737-22A1224, dated May 18, 2012. For service information identified in this AD, contact Boeing Commercial Airplanes, Attention: Contractual & Data Services (C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-5600; telephone 562-797-1717; internet https://www.myboeingfleet[dot]com.
Remarks Comments regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA;
E-mail: ADs [at] easa.europa [dot] eu

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