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Federal Register / Vol. 86, No. 234 / Thursday, December 9, 2021 / Rules and Regulations
Authority: 49 U.S.C. 106g, 40113, 44701.
39.13

Amended
2. The FAA amends 39.13 by adding the following new airworthiness directive:

20212401 Pilatus Aircraft Ltd.:
Amendment 3921822; Docket No.
FAA20210573; Project Identifier 2018CE046AD.
a Effective Date
b Affected ADs None.
c Applicability This AD applies to Pilatus Aircraft Ltd.
Pilatus Model PC12/45, PC12/47, and PC12/47E airplanes, all serial numbers, certificated in any category, with a Spectre Lift Platform System installed in accordance with Supplemental Type Certificate No.
SA00634DE.
d Subject Joint Aircraft System Component JASC
Code 5350, Aerodynamic Faring.
e Unsafe Condition This AD was prompted by a report of the strake attachment brackets and surrounding structure failing at the upper most bracket bolt hole. The FAA is issuing this AD to detect and address any looseness or damage to the strake, attachment brackets, or surrounding structure, and missing fasteners or loose bolts, which could result in airplane flutter and reduced lateral stability, which may lead to loss of control of the airplane.

khammond on DSKJM1Z7X2PROD with RULES

f Compliance Comply with this AD within the compliance times specified, unless already done.
g Inspection and Corrective Actions Within 10 hours time-in-service TIS after the effective date of this AD and thereafter at intervals not to exceed 150 hours TIS, inspect the fuselage strakes for movement outside inspection, the strakes and their attachment brackets for loose and missing bolts and screws and structural deformation inside and outside inspection, and the strake attachment brackets and surrounding structure for discoloration, deformation, cracks, and other structural damage inside inspection by following the Accomplishment InstructionsAircraft, steps A through B.3 and C.1 through C.5, in Pilatus Service Bulletin PC12 Series, Report Number 121700640000, Revision B, dated August 10, 2018.
1 You must accomplish the inside fuselage inspection regardless of the results of the outside fuselage inspection.
2 If any movement of the strakes, a loose or missing bolt or screw, discoloration, deformation, a crack, or other structural damage is found during any of the inspections, before further flight, repair using FAA-approved procedures.

16:33 Dec 08, 2021

Jkt 256001

A special flight permit may be issued to allow flying the airplane to a maintenance facility where repair of the strake assembly will be performed with the following operating limitations:
1 Flight must be conducted under visual flight rules, daytime only; and 2 The Spectre Lift Platform System, STC
SA00634DE, must be retracted not deployed during the flight.
i Alternative Methods of Compliance AMOCs
This airworthiness directive AD is effective January 13, 2022.

VerDate Sep<11>2014

h Special Flight Permit
1 The Manager, Denver ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph j of this AD.
2 Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/
certificate holding district office.
For more information about this AD, contact Richard R. Thomas, Aviation Safety Engineer, Denver ACO Branch, FAA, 26805
E. 68th Avenue, Denver, CO 80249; phone:
303 3421080; fax: 303 3421088; email:
9-Denver-Aircraft-Cert@faa.gov.
k Material Incorporated by Reference 1 The Director of the Federal Register approved the incorporation by reference IBR of the service information listed in this paragraph under 5 U.S.C. 552a and 1 CFR
part 51.
2 You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise.
i Pilatus Service Bulletin PC12 Series, Report Number 121700640000, Revision B, dated August 10, 2018.
ii Reserved 3 For service information identified in this AD, contact Pilatus Business Aircraft Ltd., Customer Support Department, 12300
Pilatus Way, Broomfield, CO 80021; phone:
866 7212435; fax: 303 4659099; email:
productsupport@pilbal.com.
4 You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call 816 3294148.
5 You may view this service information that is incorporated by reference at the National Archives and Records Administration NARA. For information on the availability of this material at NARA, email: fr.inspection@nara.gov, or go to:
https www.archives.gov/federal-register/cfr/
ibr-locations.html.

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FR Doc. 202126544 Filed 12821; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210783; Project Identifier 2019SW009AD; Amendment 3921825; AD 20212404
RIN 2120AA64

Airworthiness Directives; Bell Textron Canada Limited Type Certificate Previously Held by Bell Helicopter Textron Canada Limited Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is adopting a new airworthiness directive AD for certain Bell Textron Canada Limited type certificate previously held by Bell Helicopter Textron Canada Limited Model 505 helicopters. This AD was prompted by the determination that reducing the pressure altitude limitations for certain fuel types is necessary. This AD requires revising the existing Rotorcraft Flight Manual RFM
for your helicopter. The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective January 13, 2022.
The Director of the Federal Register approved the incorporation by reference of a certain document listed in this AD
as of January 13, 2022.
ADDRESSES: For service information identified in this final rule, contact Bell Textron Canada Limited, 12,800 Rue de lAvenir, Mirabel, Quebec J7J 1R4, Canada; telephone 14504372862 or 18003638023; fax 14504330272;
email productsupport@bellflight.com; or at https www.bellflight.com/support/
contact-support. You may view the referenced service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N321, Fort Worth, TX
76177. For information on the availability of this material at the FAA, call 817 2225110. It is also available at https www.regulations.gov by searching for and locating Docket No.
FAA20210783.
SUMMARY:

j Related Information
PO 00000

Issued on December 2, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.

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