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2020-05-11 |
ROBINSON HELICOPTER COMPANY: Amendment 39-19863; Docket No. FAA2019-1053; Product Identifier 2018-SW-037-AD. |
(a) EFFECTIVE DATE This AD is effective April 16, 2020. (b) AFFECTED ADS None. (c) APPLICABILITY This AD applies to Robinson Helicopter Company Model R44 and R44 II helicopters, certificated in any category, with an agricultural spray system installed by Supplemental Type Certificate (STC) SR00286BO with spray systems serial-numbered 0045 through 0178 inclusive, installed. Note 1 to paragraph (c) of this AD:STC SR00286BO approves the installation of Simplex Manufacturing Company Model 244 spray system (spray system). Earlier models of this system have a metal flanged fitting that is not affected by this AD. (d) SUBJECT Joint Aircraft Service Component (JASC) Code: 2551, Agricultural Spray System. (e) UNSAFE CONDITION This AD was prompted by a report of an in-flight failure of the spray system elbow pump fitting (pump fitting). The FAA is issuing this AD to prevent failure of the pump fitting, which could result in an in -flight engine shutdown. (f) COMPLIANCE Comply with this AD within the compliance times specified, unless al- ready done. (g) REQUIRED ACTIONS (1) Before further flight, and thereafter before each flight, visually in- spect the spray system pump fitting for signs of stress, cracking, fatigue, and evidence of leaking by following the Accomplishment Instructions, paragraphs 1. through 4., of Simplex Mfg Alert Service Bulletin ASB2017-001, Initial Release, dated March 28, 2017 (ASB2017 -001). If there is any sign of stress, cracking, fatigue, or evidence of leaking, before further flight, accomplish paragraph (g)(2) of this AD. (2) Within 3 months, unless required before further flight by paragraph (g)(1) of this AD: (i) Replace spray system pump fitting P/N P-58-0752-40 with fitting P/N 000-123847-000 and install cushion clamp P/N 000-115571-000 and cable tie hose supports by following the Accomplishment Instructions, para- graphs 1. through 6., of Simplex Mfg Service Letter SL2017-017, Revision B, dated March 14, 2018. (ii) Install pump outlet cover P/N 244-302056-001 by following the Accom- plishments Instructions, paragraphs 1. through 7., of Simplex Mfg Service Letter SL2017-030, Initial Release, dated March 12, 2018 (SL2017-030), except refer to Figure 2 when instructed to refer to Figure 1. Note 2 to paragraph (g)(2)(ii) of this AD:SL2017-030 includes instructions that refer to a Figure 1; however, there is no Figure 1. (iii) Pressurize the system and determine if the new fitting is function- ing correctly by visually inspecting the spray system pump fitting for signs of stress, cracking, fatigue, and evidence of leaking by following the Accomplishment Instructions, paragraphs 1. through 4. of ASB2017-001. If there is any sign of stress, cracking, fatigue, or evidence of leaking, before further flight, remove from service the fitting, cushion clamp, cable tie hose supports, and pump outlet cover and replace with a new fitting, new cushion clamp, new cable tie hose supports, and new pump outlet cover, and repeat the actions required by this paragraph. (3) After the effective date of this AD, do not install a Simplex Model 244 spray system approved under STC SR00286BO with pump fitting P/N P-58-0752-40 on any Robinson Helicopter Company Model R44 or R44 II helicopter. (h) ALTERNATIVE METHODS OF COMPLIANCE (AMOCS) (1) The Manager, Seattle ACO 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 identi- fied in paragraph (i) of this AD. Information may be emailed to: 9-ANM-Seattle-ACO-AMOCRequests@faa.gov. (2) Before using any approved AMOC, notify your appropriate principal in- spector, 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 Chris Bonar, Aerospace Engineer, Airframe Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-3521; email: Christopher.Bonar@faa.gov. (j) 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. 552(a) 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. (i) Simplex Mfg Alert Service Bulletin ASB2017-001, Initial Release, dated March 28, 2017. (ii) Simplex Mfg Service Letter SL2017-017, Revision B, dated March 14, 2018. (iii) Simplex Mfg Service Letter SL2017-030, Initial Release, dated March 12, 2018. (3) For Simplex Mfg service information identified in this AD, contact Simplex Manufacturing Company, 13340 NE Whitaker Way, Portland, OR 97230; phone 503-257-3511; fax 503-257-8556; internet www.simplex.aero (4) You may view this service information at FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy, Room 6N-321, Ft Worth, TX 76177. For information on the availability of this material at the FAA, call 817-222-5110. (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 March 6, 2020. Lance T Gant, Director Compliance & Airworthiness Division, Aircraft Certification Service. FOR FURTHER INFORMATION CONTACT: Chris Bonar, Aerospace Engineer, Airframe Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-3521; email: Christopher.Bonar@faa.gov.
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