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Federal Register / Vol. 86, No. 181 / Wednesday, September 22, 2021 / Rules and Regulations
determined that notice and public procedures are unnecessary.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
Adoption of the Correction Accordingly, pursuant to the authority delegated to me by the Administrator, the Federal Aviation Administration amends part 39 of the Federal Aviation Regulations 14 CFR
part 39 as follows:

i No Reporting Requirement Although the service information referenced in CAAI AD ISRI57202006
01 specifies to submit certain information to the manufacturer, this AD does not include that requirement.

PART 39AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:

Authority: 49 U.S.C. 106g, 40113, 44701.
39.13

Corrected
2. The FAA corrects 39.13 by correcting the airworthiness directive published at 86 FR 50451 October 14, 2021 to read:

20211714 Gulfstream Aerospace LP:
Amendment 3921697; Docket No.
FAA20210459; Project Identifier MCAI202100129T.
a Effective Date This airworthiness directive AD is effective October 14, 2021.
b Affected ADs None.
c Applicability This AD applies to Gulfstream Aerospace LP Model Gulfstream G280 airplanes, certificated in any category, as identified in The Civil Aviation Authority of Israel CAAI
AD ISRI5720200601, dated January 27, 2021 CAAI AD ISRI5720200601.
d Subject Air Transport Association ATA of America Code 57, Wings.
e Reason This AD was prompted by a report that during full-scale fatigue testing, a crack was found in the area of the attachment of the wing rib 0 to the front spar. The FAA is issuing this AD to address any cracking at the area of the wing rib 0 to the front spar, which could affect the structural integrity of the wing.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g Requirements Except as specified in paragraph h of this AD: Comply with all required actions and compliance times specified in, and in accordance with, CAAI AD ISRI572020
0601.

VerDate Sep<11>2014

16:04 Sep 21, 2021

Jkt 253001

h Exception to CAAI AD ISRI572020
0601
Where CAAI AD ISRI5720200601
requires compliance not later than 5,000
flight cycles, this AD requires compliance before the accumulation of 5,000 total flight cycles since the date of issuance of the original Israeli airworthiness certificate or the date of issuance of the original Israeli export certificate of airworthiness.

j Additional AD Provisions The following provisions also apply to this AD:
1 Alternative Methods of Compliance AMOCs: The Manager, Large Aircraft Section, International Validation 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 responsible Flight Standards Office, as appropriate. If sending information directly to the Large Aircraft Section, International Validation Branch, send it to the attention of the person identified in paragraph k of this AD.
Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office.
2 Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, Large Aircraft Section, International Validation Branch, FAA; or CAAI; or CAAIs authorized Designee. If approved by the CAAI Designee, the approval must include the Designees authorized signature.
k Related Information For more information about this AD, contact Tom Rodriguez, Aerospace Engineer, Large Aircraft Section, International Validation Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 2062313226; email Tom.Rodriguez@
faa.gov.
l 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 this AD specifies otherwise.
3 The following service information was approved for IBR on October 14, 2021 86 FR
50451, September 9, 2021.
i Civil Aviation Authority of Israel CAAI
AD ISRI5720200601, dated January 27, 2021.
ii Reserved
PO 00000

Frm 00008

Fmt 4700

Sfmt 4700

4 For CAAI AD ISRI5720200601, contact CAAI, P.O. Box 1101, Golan Street, Airport City, 70100, Israel; telephone 9723
9774665; fax 97239774592; email aip@
mot.gov.il. You may find this CAAI AD on the CAAI website at https www.caa.gov.il.
5 You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 2062313195.
6 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.
Issued on September 16, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202120404 Filed 92121; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210515; Project Identifier AD202100191E; Amendment 3921739; AD 20212001
RIN 2120AA64

Airworthiness Directives; Pratt &
Whitney Turbofan Engines Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is adopting a new airworthiness directive AD for all Pratt & Whitney PW1500G and PW1900G
series turbofan engines with a certain high-pressure turbine HPT 1st-stage hub or HPT rotor 1st-stage blade retaining plate installed. This AD was prompted by a report from the manufacturer who determined that the HPT 1st-stage hub and HPT rotor 1ststage blade retaining plate fail to meet the published life-cycle limits for each part. This AD requires removal and replacement of the HPT 1st-stage hub and HPT rotor 1st-stage blade retaining plate prior to reaching certain cycle limits. The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective October 27, 2021.
ADDRESSES: For service information identified in this final rule, contact Pratt & Whitney, 400 Main Street, East Hartford, CT 06118; phone: 800 565
SUMMARY:

E:FRFM22SER1.SGM

22SER1