What was found
500-HOUR MAGNETO INSPECTION ACCOMPLISHED ON RIGHT AND LEFT MAGNETOS, 4200 SERIES. NEW BREAKER ASSY'S INSTALLED P/N M-3081, MANUFACTURE DATE 9-20-98. MAGNETOS INTERNALLY TIMED AND RE-ASSEMBLED. INSTALLED MAGNETO ON ENGINE AND L-TIMING LIGHT WOULD NOT GO OUT WITH POINT OPENING AND CLOSING. REMOVED MAGNETO, DISASSEMBLED, REPLACED BREAKER ASSY WITH OTHER NEW SET. INTERNALLY TIMED, RE-ASSEMBLED, AND RE-INSTALLED ON ENGINE WITH NO FURTHER PROBLEMS. OPERATIONAL CHECKED SATISFACTORY.