ordinator: Ray Kraber Pan/Model #: AC Serial No./Tail No.: TSN/TSO: CSN/CSO: Aircraft Time: 8,567.0 / 3,964 Discrepancy: 8.1 The No. 1 engines Outboard igniter plug is worn Resolution: Remove engine #1 ignitor plug #2 P/N Y183-5 S/N 1204. Instaled new engine #1 ignitor plug #2 P/N Y183-5 S/N 1204718