DATE: November 19, 2008
All Lycoming new, overhauled, rebuilt, or repaired (L)IO, AIO, HIO, IGO, IVO, (L)TIO, AEIO series engine with either a Precision Airmotive RS or RSA series fuel injection servo.
TIME OF COMPLIANCE
Same as required for Precision Airmotive Service Information Letter No. SIL RS-35 Revision 1.
This reprint is current at the time Lycoming Service Instruction No. 1521 is issued. However, when complying with this Service Instruction, insure that compliance is in accordance with the latest revision of Precision Service Information Letter No. SIL RS-35.
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Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.