AD 2019-01-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Retention of stale flight data in the spare flight management function (FMF), which, if not addressed, could result in controlled flight into terrain or a mid-air collision.
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Required Actions
Inspect the flight management system (FMS) to determine if operational program software (OPS) part number (P/N) HNP5F-AL11-5010 or HNP58-AL11-5006 is installed. If installed, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin B787-81205-SB340038-00 RB, Issue 001, dated November 16, 2017; except where Boeing Alert Requirements Bulletin B787-81205-SB340038-00 RB, Issue 001, dated November 16, 2017, specifies installing 34 FMS OPS Block Point 3B, P/N HNP5E-AL11-5011, this AD requires installing P/N HNP5E-AL11-5011 or later-approved software versions.
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Compliance Time
Within 12 months after the effective date of this AD
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Affected Aircraft
All The Boeing Company Model 787 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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