These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
Turbomeca Arriel 1B, 1D, 1D1, 2B, and 2B1 Turboshaft Engines
Apr 29, 2009
Engine (ARRIEL 2B1)Serial numbers per Figure 1 of Turbomeca Alert MSB No. A292 72 0827, Version A (Arriel 1B/1D/1D1) and Figure 1 of Turbomeca Alert MSB No. A292 72 2833, Version A (Arriel 2B/2B1), both dated March 20, 2009. Only with: Engines with power turbine modules M04 installed, as listed by SN in the referenced service bulletins.
Engine (ARRIEL 2B1)Only with: Engines without modification TU22 incorporated.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (1)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
Fuselage · frame · crackedMay 8, 2014
DURING AN INSPECTION FOUND A CRACK APPROXIMATELY SEVEN INCHES LONG ON THE TAILBOOM JUNCTION RING FRAME. THIS CRACK IS LOCATED ON THE FWD SIDE OF THE JUNCTION RING FRAME & RUNS ALONG THE RADIUS OF THE RING FRAME WEB & THE FWD FLANGE. ACFT WAS IMMEDIATELY GROUNDED FOR TAILBOOM CHANGE. OTHER ACFT OF…
From FAA Service Difficulty Reports; matched by N-number and serial number.