2019-09-02: 7900 Engine Oil System and 2800 Aircraft Fuel System

Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends part 39 of the Federal Aviation Regulations (14 CFR part 39) as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 [Amended] 0 2. The FAA amends Sec. 39.13 by removing Airworthiness Directive (AD) 2018-17-01, Amendment 39-19355 (83 FR 42205) and adding the following new AD: 2019-09-02 Bell Helicopter Textron, Inc. (Bell): Amendment 39-19636; Docket No. FAA-2018-0953; Product Identifier 2018-SW-079-AD. (a) Effective Date This AD is effective June 4, 2019. (b) Affected ADs This AD replaces AD 2018-17-01, Amendment 39-19355 (83 FR 42205, August 21, 2018). (c) Applicability This AD applies to Bell Model 212, 412, 412CF, and 412EP helicopters, certificated in any category, with an engine oil check valve part number (P/N) 209-062-520-001 or fuel check valve P/N 209- 062-607-001 manufactured by Circor Aerospace, marked ``Circle Seal'' and with a manufacturing date code of ``10/11'' (October 2011) through ``03/15'' (March 2015), except a check valve marked ``TQL'' next to the manufacturing date code, installed. (d) Subject Joint Aircraft System Component (JASC)/Air Transport Association (ATA) of America Codes: 7900 Engine Oil System and 2800 Aircraft Fuel System. (e) Unsafe Condition This AD defines the unsafe condition as a cracked or leaking check valve, which could result in loss of lubrication or fuel to the engine, failure of the engine or a fire, and subsequent loss of control of the helicopter. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) Within 25 hours time-in-service, replace each fuel check valve and each engine oil check valve. (2) After the effective date of this AD, do not install on any helicopter a check valve P/N 209-062-520-001 or P/N 209-062-607-001 manufactured by Circor Aerospace, marked ``Circle Seal'' and with a manufacturing date code of ``10/11'' (October 2011) through ``03/ 15'' (March 2015), except for a check valve marked ``TQL'' next to the manufacturing date code. (h) Alternative Methods of Compliance (AMOCs) (1) The Manager, DSCO 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 (i) 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. (i) Related Information For more information about this AD, contact Jurgen E. Priester, Aviation Safety Engineer, DSCO Branch, Compliance & Airworthiness Division, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone (817) 222-5159; email [email protected].