Airworthiness directives › 2011-25-51
AD 2011-25-51 Airworthiness Directives; Continental Motors, Inc. (CMI) Reciprocating Engines
Makes named: continental. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This emergency AD applies to Continental Motors, Inc. (CMI) TSIO-520-B, BB, D, DB, E, EB, J, JB, K, KB, N, NB, UB, VB; TSIO-550-K; TSIOF-550-K; IO-550-N (Turbo-normalized only; STC SE10589SC); with a starter adapter part number (P/N) 642085A17, 642085A19, 642085A20, 642085-1A1, and R-642085A17, installed, where the engine was manufactured between January 1, 2011 and November 20, 2011, or, where a replacement new or rebuilt starter adapter that was purchased from Continental Motors, Inc. and installed between January 1, 2011 and November 20, 2011.
Compliance
For the purpose of this AD, a starter adapter eligible for installation is: (1) A starter adapter with one of the P/Ns listed in this AD that has a vibro-peened manufacturer code below the ink stamped P/N on the starter adapter, or (2) A starter adapter with one of the P/Ns listed in this AD that has more than 100 hours total TIS.
Required actions
The Manager, Atlanta Certification Office, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done. (1) For starter adapters with less than 75 hours of total time-in-service (TIS) on the effective date of this AD, before further flight, replace the starter adapter with a starter adapter eligible for installation. (2) For starter adapters with between 75 and 100 hours of total TIS, inclusive on the effective date of this AD, within the next 10 hours of engine operation, or before exceeding 100 hours TIS, whichever occurs first, replace the starter adapter with a starter adapter eligible for installation. (3) For starter adapters with more than 100 hours of total TIS on the effective date of this AD, no further action is required.
Affected ADs
None.
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