Airworthiness directives › 2017-11-16
AD 2017-11-16 Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes
Makes named: pilatus. Models named: PC-12/47E. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to PILATUS AIRCRAFT LTD. Model PC-12/47E airplanes, all serial numbers, that: (1) Have Primus APEX Software Build 10 with Honeywell part number (P/N) EB60000487-0110 or Primus APEX Software Build 10.9 with Honeywell P/N EB60000487-0112 installed; and (2) are certificated in any category.
Compliance
Unless already done, within 30 days after July 13, 2017 (the effective date of this AD), insert Temporary Revision No. 38 to PC-12/47E Pilot's Operating Handbook, Airplane Flight Manual 02277, Section 2—Limitations, Report No: 02277, dated February 8, 2017. Note 1 to paragraph (f) of this AD: For airplanes affected by this AD, the Pilot's Operating Handbook and the Airplane Flight Manual are the same document with the Report No.: 02277.
Required actions
The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Doug Rudolph, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4059; fax: (816) 329-4090; email: doug.rudolph@faa.gov . Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as an error within the flight management system caused by installing Primus APEX software Build 10 or 10.9, which could cause deviation from the correctly calculated barometric vertical navigation nominal guide path. We are issuing this AD to prevent the pilot from following incorrect data from the flight management system, which could result in the loss of situational awareness.
Affected ADs
None.
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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