Airworthiness Directive
AD 2021-04-01: Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
- Effective
- Mar 26, 2021
- Published
- Mar 11, 2021
- Registered aircraft
- 1
Models this AD may apply to
AI-extracted — verify against originalMatched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.
Aircraft
- Leonardo S P A AB139
- Certain serial numbers: 31400–31882; 41300–41570. Only with: With one or two forward facing first row center seats and a cabin floor composed of 3 panels, identified by configuration in Figures 1 through 13 of Leonardo Alert Service Bulletin No. 139-633, Rev. A, installed.
- Only with: With one or two forward facing first row center seats and a cabin floor composed of 3 panels, identified by configuration in Figures 1 through 13 of Leonardo Alert Service Bulletin No. 139-633, Rev. A, installed.
Applicability
From the AD textThis Airworthiness Directive (AD) applies to Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters, serial number (S/N) 31400 through 31882 inclusive, and S/N 41300 through 41570 inclusive, certificated in any category, with one or two forward facing first row center seat/seats (seat) and a cabin floor composed of 3 panels, and identified by configuration in Figures 1 through 13 of Leonardo Alert Service Bulletin No. 139-633, Rev. A, dated September 2, 2020 (ASB 139-633) installed.
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