Narrative:

While deviating around a line of WX during the initial approach segment for an ILS runway 18R at cvg, we received a lightning strike. The strike caused severe engine vibration. We immediately retreated from the area of WX (to an area of little or no precipitation) and notified ATC of our situation, advising them an engine shutdown might be required. When the #1 vibration gauge went to the 'peg' I performed the 'engine fire/severe damage (in-flight)' memory items (ie, shutdown engine). I notified ATC of the shutdown. ATC advised me that dayton, oh, (day) was the closest airport. Since continuing to cvg would have taken us back through the WX, I opted to land at day. We declared an emergency, performed the required checklists for single engine approach and landing, and landed at dayton without further incident. It was subsequently discovered that a 10 inch segment of the right winglet had disintegrated. First officer and I performed our duties to the point that after engine was shutdown, we felt like we were doing just another simulator scenario, as a new captain in the airplane, I can say with some confidence that I was properly trained to the point that turned into an almost emotionless 'been there -- done that' situation. That's what's supposed to happen.

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Original NASA ASRS Text

Title: LIGHTNING STRIKE.

Narrative: WHILE DEVIATING AROUND A LINE OF WX DURING THE INITIAL APCH SEGMENT FOR AN ILS RWY 18R AT CVG, WE RECEIVED A LIGHTNING STRIKE. THE STRIKE CAUSED SEVERE ENG VIBRATION. WE IMMEDIATELY RETREATED FROM THE AREA OF WX (TO AN AREA OF LITTLE OR NO PRECIPITATION) AND NOTIFIED ATC OF OUR SIT, ADVISING THEM AN ENG SHUTDOWN MIGHT BE REQUIRED. WHEN THE #1 VIBRATION GAUGE WENT TO THE 'PEG' I PERFORMED THE 'ENG FIRE/SEVERE DAMAGE (INFLT)' MEMORY ITEMS (IE, SHUTDOWN ENG). I NOTIFIED ATC OF THE SHUTDOWN. ATC ADVISED ME THAT DAYTON, OH, (DAY) WAS THE CLOSEST ARPT. SINCE CONTINUING TO CVG WOULD HAVE TAKEN US BACK THROUGH THE WX, I OPTED TO LAND AT DAY. WE DECLARED AN EMER, PERFORMED THE REQUIRED CHKLISTS FOR SINGLE ENG APCH AND LNDG, AND LANDED AT DAYTON WITHOUT FURTHER INCIDENT. IT WAS SUBSEQUENTLY DISCOVERED THAT A 10 INCH SEGMENT OF THE R WINGLET HAD DISINTEGRATED. FO AND I PERFORMED OUR DUTIES TO THE POINT THAT AFTER ENG WAS SHUTDOWN, WE FELT LIKE WE WERE DOING JUST ANOTHER SIMULATOR SCENARIO, AS A NEW CAPT IN THE AIRPLANE, I CAN SAY WITH SOME CONFIDENCE THAT I WAS PROPERLY TRAINED TO THE POINT THAT TURNED INTO AN ALMOST EMOTIONLESS 'BEEN THERE -- DONE THAT' SIT. THAT'S WHAT'S SUPPOSED TO HAPPEN.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.