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#1
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From the FAA. " One commenter states that the AD should be withdrawn, since the FAA
has not substantiated the inclusion of the Rolls-Royce, plc engines which are not US type certificated. The FAA does not concur. The FAA stated in the second SNPRM that the Rolls-Royce, plc engines are identical in design and manufacturing process, which substantiates their inclusion. It is true that there is no US type certificate for these engines; however, these engines are accepted for use on US type certificated airplanes, and several are installed on US registered aircraft. Therefore, TCM service information and FAA ADs apply to these engines." |
#2
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I believe Mr. Coffman has hit the nail on the head! The FAA's response to the AD comment clearly states that RR IO-360's are flying on FAA-certified aircraft, and with the FAA's implied blessing!
If I'm reading the tea leaves correctly, the issue the FAA has is NOT that the engines are RR, but that they have not had the VAR crank AD applied? So it would follow logically that if a RR IO-360 had the VAR crank AD complied (and any other that is applicable), it would be acceptable to the Administrator??? Last edited by mshac : 05-04-21 at 12:15 PM. |