Airworthiness directives › 2021-22-13
AD 2021-22-13 Airworthiness Directives; Leonardo S.p.a. Helicopters
Models named: AB139, AW139. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Leonardo S.p.a. Model AB139 and AW139 helicopters, certificated in any category, equipped with a Breeze external hoist assembly, having part number (P/N) P/N 3G2591V00331 (Breeze P/N BL-20200-421), P/N 3G2591V02931 (Breeze P/N BLH-20200-431-1), P/N 3G2591V02932 (Breeze P/N BLH-20200-431-2), or P/N 3G2591V01431 (Breeze P/N BL-20200-422), that has not passed a rated load check (RTC) in accordance with Breeze Flight Line Operation and Maintenance Manual TD-03-008, TD-08-002 or TD-03-009 as applicable, or the Accomplishment Instructions of Leonardo Emergency Alert Service Bulletin 139-679, dated August 5, 2021 (ASB 139-679), or Annex 1 of Leonardo S.p.A. AW139 Temporary Maintenance Instruction (TMI) 139-546, dated August 2, 2021, after performing the following actions: (1) Replacement of the hoist cable (Breeze P/N BL-6260 or P/N BL-9149-8, as applicable), or (2) Installation of a hoist assembly that has been in storage for more than 12 consecutive months.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
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 2021-0186R1, dated August 18, 2021 and corrected August 23, 2021 (EASA AD 2021-0186R1).
Unsafe condition
This AD was prompted by the determination that the requirement to accomplish an RTC on certain hoist assemblies may have been inadvertently left out of some aircraft maintenance publications. The FAA is issuing this AD to address failure of the hoist assembly. This condition could result in loss of external human cargo during hoist operations.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1