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An FK100 captain reported that, after landing and going home, the next crew found damage from a previous lightning strike on one of the ailerons. The reporter had never entered an environment with lightning, nor had his first officer noticed any damage on any of their preflts.
| Attributes | |
| ACN | 470172 |
| Time | |
| Date | 200004 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 14001 flight time type : 750 |
| ASRS Report | 470172 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : commercial pilot : instrument |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Problem Areas | Weather |
| Primary Problem | Weather |
Narrative:
After completing a couple of legs in an aircraft without any problems, we completed our trip and departed the airport and went home. The next day my chief pilot's office called to inform me that the next crew found evidence of a lightning strike to an aileron. None of my flts were exposed to lightning, so the damage must have occurred prior to our flts in that aircraft. A preflight was made prior to, and between, each of our flight segments, but no damage was noticed. Even thorough preflts can miss previous damage. Maybe this information will help other's awareness. Callback conversation with reporter revealed the following information: nothing new could be added to his report as he never physically saw the damage. He was not told by the next crew if the damage was on the top or the bottom of the aileron. The chief pilot's office has not contacted the crew further regarding this incident.
Original NASA ASRS Text
Title: AN FK100 CAPT RPTED THAT, AFTER LNDG AND GOING HOME, THE NEXT CREW FOUND DAMAGE FROM A PREVIOUS LIGHTNING STRIKE ON ONE OF THE AILERONS. THE RPTR HAD NEVER ENTERED AN ENVIRONMENT WITH LIGHTNING, NOR HAD HIS FO NOTICED ANY DAMAGE ON ANY OF THEIR PREFLTS.
Narrative: AFTER COMPLETING A COUPLE OF LEGS IN AN ACFT WITHOUT ANY PROBS, WE COMPLETED OUR TRIP AND DEPARTED THE ARPT AND WENT HOME. THE NEXT DAY MY CHIEF PLT'S OFFICE CALLED TO INFORM ME THAT THE NEXT CREW FOUND EVIDENCE OF A LIGHTNING STRIKE TO AN AILERON. NONE OF MY FLTS WERE EXPOSED TO LIGHTNING, SO THE DAMAGE MUST HAVE OCCURRED PRIOR TO OUR FLTS IN THAT ACFT. A PREFLT WAS MADE PRIOR TO, AND BTWN, EACH OF OUR FLT SEGMENTS, BUT NO DAMAGE WAS NOTICED. EVEN THOROUGH PREFLTS CAN MISS PREVIOUS DAMAGE. MAYBE THIS INFO WILL HELP OTHER'S AWARENESS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: NOTHING NEW COULD BE ADDED TO HIS RPT AS HE NEVER PHYSICALLY SAW THE DAMAGE. HE WAS NOT TOLD BY THE NEXT CREW IF THE DAMAGE WAS ON THE TOP OR THE BOTTOM OF THE AILERON. THE CHIEF PLT'S OFFICE HAS NOT CONTACTED THE CREW FURTHER REGARDING THIS INCIDENT.
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.