Service Bulletin No. 583 A
Supersedes Service Bulletin No. 583
July 21, 2008
MODELS AFFECTED
All Lycoming new, overhauled, rebuilt, or repaired engines with:
1. A Slick model 4300/6300 series magneto with a serial number beginning with 0610#### through 0804####.
2. A LASAR model 4700/6700 series magneto with a serial number beginning with 0610#### through 0804####.