Airworthiness directives › 2018-25-17
AD 2018-25-17 Airworthiness Directives; Air Comm Corporation Air Conditioning Systems
Applicability*9
This AD becomes effective January 22, 2019.
Compliance
Replacing the connectors before the effective date of this AD in accordance with Air Comm SB 206-110414, Revision A, dated June 3, 2016; SB AS350-111014 or SB EC130-6204, both Revision A and both dated July 6, 2016; SB 407-110414, Revision B, dated July 6, 2016; SB 206-110414, Revision B, dated January 10, 2017; or SB 407-110414, Revision C, dated January 10, 2017, is considered acceptable for compliance with the corresponding required actions specified in paragraph (e)(1) of this AD.
Required actions
(1) The Manager, Denver ACO Branch, FAA, may approve AMOCs for this AD. Send your proposal to: Matthew Bryant, Aerospace Engineer, Denver ACO Branch, Compliance & Airworthiness Division, FAA, 26805 East 68th Ave., Room 214, Denver, CO 80249; telephone (303) 342-1092; email matthew.bryant@faa.gov and 9-Denver-Aircraft-Cert@faa.gov. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office before operating any aircraft complying with this AD through an AMOC.
Unsafe condition
(1) Within 90 hours time-in-service: (i) For Airbus Helicopters Model AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350C, AS350D, and AS350D1 helicopters, replace each aft evaporator blower motor connector with an Air Comm connector as depicted in Figures 2, 3, and 4 of Air Comm Service Bulletin (SB) SB AS350-1110014, Revision B, dated January 10, 2017, by using a Deutsch HDT-48-00 or an equivalent MIL-DTL22520 Type 1 crimping tool. (ii) For Airbus Helicopters Model EC130B4 helicopters, replace each aft evaporator blower motor connector with an Air Comm connector as depicted in Figures 2, 3, and 4 of Air Comm SB EC130-6204, Revision B, dated January 10, 2017, by using a Deutsch HDT-48-00 or an equivalent MIL-DTL22520 Type 1 crimping tool. (iii) For Bell Model 206A, 206B, 206L, 206L-1, 206L-3, and 206L-4 helicopters, replace each aft evaporator blower motor connector with an Air Comm connector as depicted in Figures 4, 5, and 6 of Air Comm SB 206-110414, Revision C, dated January 13, 2017, by using a Deutsch HDT-48-00 or an equivalent MIL-DTL22520 Type 1 crimping tool. (iv) For Bell Model 407 helicopters, replace each aft evaporator blower motor connector with an Air Comm connector as depicted in Figures 4, 5, and 6 of Air Comm SB 407-110414, Revision D, dated January 13, 2017, by using a Deutsch HDT-48-00 or an equivalent MIL-DTL22520 Type 1 crimping tool. (2) After the effective date of this AD, do not install the following in any aft evaporator assembly P/Ns AS350-6202-1, EC130-6204-1, or EC130-6204-2; aft evaporator blower assembly P/Ns S-6078EC-15, S-6102EC-3, or S-6102EC-4; or aft condenser blower P/Ns S-7060EC-1, S-7060EC-2, S-7062EC-1 or S-7062EC-2: (i) Plug P/N 03-09-1022 and 03-09-1032; (ii) Socket P/N 02-09-1103 and 02-09-1104; (iii) Receptacle P/N 03-09-2022 and 03-09-2032; and (iv) Pin P/N 02-09-2103.
Affected ADs
This AD defines the unsafe condition as an overheated connector. This condition could result in a fire and subsequent loss of control of the helicopter.
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