Airworthiness directives › 2020-16-20
AD 2020-16-20 Airworthiness Directives; Pacific Aerospace Limited Airplanes
Makes named: pacific aerospace. Models named: 750XL. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Pacific Aerospace Limited Model 750XL airplanes, all serial numbers up to 217, certificated in any category.
Compliance
Unless already done, do the following actions in paragraphs (f)(1) through (4) of this AD, as applicable: (1) For airplanes with Pacific Aerospace Pilot's Operating Handbook and Civil Aviation Authority of New Zealand Approved Flight Manual AIR 2825 (AIR 2825): Within the next 30 days after September 22, 2020 (the effective date of this AD), insert Pacific Aerospace Temporary Revisions XL/POH/00/001, XL/POH/02/001, and XL/POH/03/001 into the Pacific Aerospace Limited 750XL AIR 2825 Airplane Flight Manual as specified in Pacific Aerospace Temporary Revision Instruction Letter, dated October 2017. (2) For airplanes with Pacific Aerospace Pilot's Operating Handbook and Civil Aviation Authority of New Zealand Approved Flight Manual AIR 3237 (AIR 3237): Within the next 30 days after September 22, 2020 (the effective date of this AD), insert the Revision dated March 30, 2018, into the PAL 750XL AIR 3237 Airplane Flight Manual as specified in Pacific Aerospace Revision Instruction Letter, dated March 30, 2018. (3) For Pacific Aerospace 750XL airplanes up to serial number 217: Within the next 100 hours time-in-service (TIS) after April 12, 2018 (the effective date of AD 2018-04-09) or within the next 12 months after April 12, 2018 (the effective date of AD 2018-04-09), whichever occurs first, replace or modify the pressure switch for the low oil pressure light by following the Part A—Accomplishment Instructions of PAL Mandatory Service Bulletin (MSB) PACSB/XL/088, dated August 11, 2017. (4) For Pacific Aerospace 750XL airplanes up to serial number 217 with a part number (P/N) INS 60-8 oil pressure/temperature indicator installed: Within the next 100 hours TIS after April 12, 2018 (the effective date of AD 2018-04-09) or within the next 12 months after April 12, 2018 (the effective date of AD 2018-04-09), whichever occurs first, replace the oil pressure/temperature indicator with P/N INS 60-15 by following the Part B—Accomplishment Instructions of PAL MSB PACSB/XL/088, paragraphs 1) through 6), dated August 11, 2017.
Required actions
The Manager, International Validation Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to Mike Kiesov, Aerospace Engineer, FAA, General Aviation & Rotorcraft Section, International Validation Branch, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4144; fax: (816) 329-4090; email: mike.kiesov@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.
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 incorrectly marked and annunciated low oil-pressure indication warnings. The FAA is issuing this AD to prevent engine oil pressure from dropping below safe limits, which could cause possible engine damage or failure.
Affected ADs
This AD replaces AD 2018-04-09, Amendment 39-19205 (83 FR 9793, March 8, 2018) (2018-04-09).
Read the original on the Federal Register →
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