Airworthiness directives › 2021-11-13
AD 2021-11-13 Airworthiness Directives; Bell Textron Canada Limited Helicopters
Applicability*9
This AD is effective July 15, 2021.
Compliance
(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 the attention of the person identified in paragraph (g)(1) of this AD. 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.
Required actions
(1) For more information about this AD, contact Matt Fuller, AD Program Manager, Operational Safety Branch, Airworthiness Products Section, General Aviation & Rotorcraft Unit, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817-222-5110; email matthew.fuller@faa.gov . (2) The subject of this AD is addressed in Transport Canada AD CF-2020-212R1, dated August 19, 2020. You may view the Transport Canada AD on the internet at https://www.regulations.gov in Docket No. FAA-2020-1170.
Unsafe condition
(1) Within 100 hours time-in-service (TIS): (i) Remove each EFS supply hose from the float and inspect each end of the EFS supply hose by inserting a plastic cable tie, 300 mm minimum × 5 mm maximum (11.811 in. minimum × .196 in. maximum), into the holes of the related fitting as shown in Figure 1 of Safran Aerosystems Services Service Bulletin No. 025-69-21, Revision 00, dated March 23, 2020 (SB 025-69-21). Note 1 to paragraph (e)(1)(i): Each end of the supply hose may also be referred to as fitting or banjo. (ii) If the cable tie does not pass through the hose, before further flight, remove the EFS supply hose from service and replace it with an airworthy part. (iii) If the cable tie passes through the supply hose, mark a green dot with indelible ink on the base of the supply hose and write “SB 025-69-21” above the external identification marking of the EFS with indelible ink. (2) As of the effective date of this AD, do not install an EFS supply hose manufactured before January 2014 on any helicopter unless the requirements in paragraph (e)(1) of this AD have been completed.
Affected ADs
This AD defines the unsafe condition as a blocked float supply hose installed on an EFS. This condition could result in partial inflation of an EFS float during an emergency landing on water and subsequently preventing a timely egress from the helicopter.
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