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Airworthiness directives › 2017-15-01

AD 2017-15-01 Airworthiness Directives; The Boeing Company Airplanes

Superseded. This directive was replaced by AD 2020-04-19. Work to the current one.
2017-08-25
2017-07-21
39-18961
FAA-2016-9501
Airframe
2020-04-19

Models named: 777-200, -200LR, -300, -300ER, 777F series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes, certificated in any category, identified in Boeing Special Attention Service Bulletin 777-22-0034, dated March 3, 2016.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Within 60 months after the effective date of this AD: Replace the existing MCP part with a new MCP part having a different part number, in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 777-22-0034, dated March 3, 2016.

Unsafe condition

This AD was prompted by reports of uncommanded altitude display changes in the mode control panel (MCP) altitude window. We are issuing this AD to prevent uncommanded changes to the MCP selected altitude; such uncommanded changes could result in incorrect spatial separation between airplanes, midair collision, or controlled flight into terrain.

Affected ADs

None.

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