Quiero saber acerca de...

48904

Federal Register / Vol. 86, No. 167 / Wednesday, September 1, 2021 / Rules and Regulations
For the reasons discussed above, I
certify that this AD:
1 Is not a significant regulatory action under Executive Order 12866, 2 Will not affect intrastate aviation in Alaska, and 3 Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.

landing, that resulted from rupture of the TGB actuating rod and uncoupling of the steel sleeve from inside the external aluminum tube. The FAA is issuing this AD
to address failure of a TGB actuating rod, which could result in loss of yaw control of the helicopter.

List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

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, European Union Aviation Safety Agency EASA AD 20190060, dated March 20, 2019 EASA AD 20190060.

The Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:
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

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

20211611 Airbus Helicopters:
Amendment 3921673; Docket No.
FAA20210369; Project Identifier 2019SW033AD.
a Effective Date This airworthiness directive AD is effective October 6, 2021.

khammond on DSKJM1Z7X2PROD with RULES

b Affected ADs None.
c Applicability This AD applies to Airbus Helicopters Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters, certificated in any category, with a tail rotor gearbox TGB
actuating rod identified in paragraphs c1
through 9 of this AD installed.
1 Part number P/N 350A27191000;
2 P/N 350A27191001;
3 P/N 350A27191002;
4 P/N 350A27191003;
5 P/N 350A27191004;
6 P/N 350A2719100401;
7 P/N 350A2719100402;
8 P/N 350A27192000; or 9 A TGB actuating rod with an unknown part number and serial number.
d Subject Joint Aircraft System Component JASC
Code: 6720, Tail Rotor Control System.
e Reason This AD was prompted by a report of reduced yaw control, during an approach for
VerDate Sep<11>2014

16:01 Aug 31, 2021

Jkt 253001

f Compliance Comply with this AD within the compliance times specified, unless already done.

h Exceptions to EASA AD 20190060
1 Where EASA AD 20190060 refers to January 3, 2019 the effective date of EASA
AD 20180287, dated December 20, 2018, or its effective date, this AD requires using the effective date of this AD.
2 Where EASA AD 20190060 refers to flight hours FH, this AD requires using hours time-in-service.
3 Where paragraph 2 of EASA AD 2019
0060 specifies to mark TGB actuating rods, replace the language in paragraph 2 of EASA AD 20190060 that states the instructions of section 3 of the applicable ASB alert service bulletin, with the applicable language specified in paragraphs h3i and ii of this AD.
i For P/N 350A2719100402 and parts not included in table 1 of EASA AD 20190060:
the instructions for If only paragraph 3.B.2.a. was complied with of paragraph 3.C.
of the Accomplishment Instructions of the applicable ASB.
ii For parts included in table 1 of EASA
AD 20190060: the instructions for If paragraph 3.B.2.b. or paragraph 3.B.5. was complied with of paragraph 3.C. of the Accomplishment Instructions of the applicable ASB.
4 Where paragraph 2 of EASA AD 2019
0060 specifies mark each affected part all rods, regardless of the status with respect to the dye penetrant inspection, and each TGB
rod having P/N 350A2719100402, for this AD, mark the parts identified in paragraphs c1 through 9 of this AD.
5 Where EASA AD 20190060 specifies AH Airbus Helicopters AS350 SB service bulletin No. 67.10 Revision 1 and AH
AS355 SB No. 67.09 Revision 2, replace the text AH with Aerospatiale.
6 Where the Ref. Publications section of EASA AD 20190060 specifies the date for AS355 SB No. 67.09 Revision 2, replace the text 28 March 1989 with October 1989.
7 Although service information referenced in EASA AD 20190060 specifies to keep parts, this AD does not include that requirement.
8 Paragraph 7 of EASA AD 20190060
specifies to report inspection results to Airbus Helicopters within a certain compliance time. For this AD, report inspection results at the applicable time
PO 00000

Frm 00018

Fmt 4700

Sfmt 4700

specified in paragraph h8i or ii of this AD.
i If the inspection was done on or after the effective date of this AD: Submit the report within 30 days after the inspection.
ii If the inspection was done before the effective date of this AD: Submit the report within 30 days after the effective date of this AD.
9 For the purposes of this AD, CW, which is stated in Table 1 of EASA AD 2019
0060, is defined as calendar week.
10 The Remarks section of EASA AD
20190060 does not apply to this AD.
i Alternative Methods of Compliance AMOCs 1 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. 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 International Validation Branch, send it to: Manager, International Validation Branch, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817 2225110. Information may be emailed to: 9-AVS-AIR-730-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.
j Related Information For more information about this AD, contact Kathleen Arrigotti, Program Manager, Large Aircraft Section, International Validation Branch, Compliance &
Airworthiness Division, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 206 2313218; email kathleen.arrigotti@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 this AD specifies otherwise.
i European Union Aviation Safety Agency EASA AD 20190060, dated March 20, 2019.
ii Reserved 3 For EASA AD 20190060, contact the EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221 8999
000; email ADs@easa.europa.eu; internet www.easa.europa.eu. You may find this EASA AD on the EASA website at https
ad.easa.europa.eu.
4 You may view this 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 8172225110. This material may be found in the AD docket on the internet at https www.regulations.gov by searching for and locating Docket No.
FAA20210369.

E:FRFM01SER1.SGM

01SER1