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Federal Register / Vol. 86, No. 84 / Tuesday, May 4, 2021 / Rules and Regulations
khammond on DSKJM1Z7X2PROD with RULES

5.B.2a2, of SB LEAP1B730038, related to the pressure transducer, until the PSS unit has accumulated 15 hours or more of electrical power within the previous 90 days;
or ii Before further flight, apply electrical power to the PSS unit in accordance with the Accomplishment Instructions, paragraph 5.A.3a1, of SB LEAP1B730038, until the PSS unit has accumulated 15 hours or more of electrical power within the past 90
days.
2 For an engine in service on the effective date of this AD that has accumulated 15
hours or more of electrical power applied to the PSS unit within the previous 90 days, within 5 flight cycles of the effective date of this AD, perform a one-time check for the maintenance messages listed in the Accomplishment Instructions, paragraph 5.B.2a2, of SB LEAP1B730038, related to the pressure transducer.
3 For an engine not in service on the effective date of this AD that has accumulated fewer than 15 hours of electrical power applied to the PSS unit within the past 90 days, before further flight, apply electrical power to the PSS unit in accordance with the Accomplishment Instructions, paragraph 5.A.3a1, of SB
LEAP1B730038, until the PSS unit has accumulated 15 hours or more of electrical power within the previous 90 days.
4 For an engine not in service on the effective date of this AD that has accumulated 15 hours or more of electrical power applied to the PSS unit within the previous 90 days, before further flight, perform a check for the engine maintenance messages using the Accomplishment Instructions, paragraphs 5.A.3b1 through 5, of SB LEAP1B730038, related to the pressure transducer.
5 After accumulating 15 hours of electrical power on the PSS unit as required by paragraph g1ii or g3 of this AD, before further flight, perform a check for the engine maintenance messages using the Accomplishment Instructions, paragraphs 5.A.3b1 through 5, of SB LEAP1B73
0038, related to the pressure transducer.
6 If any engine maintenance messages are found by the checks required by paragraph g1i, 2, 4, or 5 of this AD, before further flight, replace the PSS unit with a PSS unit eligible for installation.
h Definitions 1 For the purpose of this AD, an in service engine is any of the following:
i An engine installed on an airplane that was delivered prior to November 18, 2020, that, as of the effective date of this AD, has completed the Operational Readiness Flight in accordance with paragraph m of FAA AD
20202402 85 FR 74560, November 20, 2020; or ii An engine installed on an airplane delivered after November 18, 2020.
2 For the purpose of this AD, hours of electrical power on the PSS unit is the total amount of time that voltage was applied to the PSS unit either on-wing or on a bench in segments of no less than 15 minutes. If the voltage-time is not available, use the run time of the engine on which the PSS unit is installed.

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3 For the purpose of this AD, a PSS unit eligible for installation is any of the following:
i A PSS unit that is cleared in accordance with the criteria in the Accomplishment Instructions, paragraph 5.B.3, of SB LEAP
1B730038; or ii A PSS unit with an S/N not listed in Additional Information, Paragraph 6.A. Table 1 of SB LEAP1B730038.
i Installation Prohibition After the effective date of this AD, do not install on any engine a PSS unit unless it is a PSS unit eligible for installation as defined in paragraph h3 of this AD.
j Credit for Previous Actions You may take credit for the actions required by paragraphs g1ii and g2
through 6 of this AD if you performed these actions before the effective date of this AD
using CFM SB LEAP1B7300003801A
930AD, Issue 001, dated 20210423.
k Special Flight Permit A special flight permit may be issued in accordance with 14 CFR 21.197 and 21.199
to operate the airplane for up to 5 flight cycles prior to accomplishing paragraph g3 of this AD provided engine maintenance messages are checked prior to each flight using the Accomplishment Instructions, paragraphs 5.A.3b1-5, of SB
LEAP1B 730038, and no engine maintenance messages listed in the Accomplishment Instructions, paragraph 5.A.3b5, of SB LEAP1B730038, are detected. For all other requirements, special flight permits are prohibited.
l Alternative Methods of Compliance AMOCs 1 The Manager, ECO 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 Related Information. You may email your request to: ANE-AD-AMOC@
faa.gov.
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.
m Related Information For more information about this AD, contact Mehdi Lamnyi, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781
2387743; fax: 781 2387199; email:
Mehdi.Lamnyi@faa.gov.
n 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.

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i CFM Service Bulletin SB LEAP1B
7300003801A930AD, Issue 00200, dated 20210425, excluding FADEC
Alliance SB LEAP1B/73012, Issue 001, dated 20210423 which is attached to this CFM SB.
ii Reserved 3 For CFM International, S.A. service information identified in this AD, contact CFM International, S.A., Aviation Operations Center, 1 Neumann Way, M/D Room 285, Cincinnati, OH 45125; phone: 877 432
3272; fax: 877 4323329; email:
aviation.fleetsupport@ge.com.
4 You may view this service information at FAA, Airworthiness Products Section, Operational Safety Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781 2387759.
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: fedreg.legal@nara.gov, or go to:
https www.archives.gov/federal-register/cfr/
ibr-locations.html.
Issued on April 28, 2021.
Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202109507 Filed 43021; 4:15 pm BILLING CODE 491013P

DEPARTMENT OF JUSTICE
Drug Enforcement Administration 21 CFR Part 1308
Docket No. DEA806

Schedules of Controlled Substances:
Placement of Four Specific FentanylRelated Substances in Schedule I
Drug Enforcement Administration, Department of Justice.
ACTION: Final rule.
AGENCY:

The Drug Enforcement Administration places four specified fentanyl-related substances permanently in schedule I of the Controlled Substances Act. These four specific substances fall within the definition of fentanyl-related substances set forth in the February 6, 2018, temporary scheduling order. Through the Temporary Reauthorization and Study of the Emergency Scheduling of Fentanyl Analogues Act, which became law on February 6, 2020, Congress extended the temporary control of fentanyl-related substances until May 6, 2021. The regulatory controls and administrative, civil, and criminal sanctions applicable to schedule I
controlled substances on persons who
SUMMARY:

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