# Proposed AD FAA-2005-21716: Boeing Model 767-200, -300, and -300F Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2005-25-25
- Products: Boeing
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: July 6, 2005, 70 FR 38819
- Comments due: August 22, 2005
- Became: [AD 2005-25-25](https://openairdocs.org/ad/2005-25-25)
- Docket: FAA-2005-21716 (https://www.regulations.gov/docket/FAA-2005-21716, where comments are filed)
- Project: 2005-NM-080-AD
- FR document: 05-13225
- Official PDF: https://openairdocs.org/files/sha256/9a/4b/9a4b9014e090729468b884f9a5fcb5a2b80e0383bcb808ddfda9f33e63e3c9ec (from https://www.govinfo.gov/content/pkg/FR-2005-07-06/pdf/05-13225.pdf)
- Federal Register: https://www.federalregister.gov/documents/2005/07/06/05-13225/airworthiness-directives-boeing-model-767-200--300-and--300f-series-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/46FAE718A6E6AADB86257036006592B3.0001
- Page: https://openairdocs.org/proposed/FAA-2005-21716

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 767-200, -300, and -300F series airplanes. This proposed AD would require replacing the aileron control override quadrant with a modified unit. This proposed AD is prompted by a report of the seizing of the input override mechanism bearings of the lateral central control actuator on affected airplanes. We are proposing this AD to prevent corrosion of the input override mechanism bearings of the lateral central control actuator, which, in the event of a subsequent jam in the pilot's aileron control system, could result in failure of the aileron override system and consequent reduced lateral controllability of the airplane.

## Notices in this docket

- Jul 6, 2005: Notice of proposed rulemaking (NPRM). (first notice), FR document 05-13225, comments due Aug 22, 2005 (https://www.federalregister.gov/documents/2005/07/06/05-13225/airworthiness-directives-boeing-model-767-200--300-and--300f-series-airplanes)

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