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A VZ10 experimental aircraft on engine run for a magneto check experienced an engine fire caused by improperly installed push rod seals during a #2 cylinder replacement.
| Attributes | |
| ACN | 387241 |
| Time | |
| Date | 199712 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Experimental |
| Operating Under FAR Part | Part 91 |
| Flight Phase | other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : single pilot |
| Qualification | pilot : atp pilot : instrument pilot : cfi pilot : commercial |
| Experience | controller military : 4 controller radar : 35 controller supervisory : 15 flight time last 90 days : 45 flight time total : 10000 flight time type : 500 |
| ASRS Report | 387241 |
| Person 2 | |
| Affiliation | Other |
| Function | other personnel |
| Qualification | other other : other |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency none taken : detected after the fact |
| Consequence | other Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
During engine magneto check, an oil-induced fire ignited in the engine cowl. Post inspection reveals an oil leak on the #2 cylinder push rods. This cylinder was repaired and installed by an a&P/ia mechanic less than 30 days ago and 6 flying hours. Aircraft right wing spar was delaminated due to heat. All wiring under cowling was destroyed or damaged. This was not classified an accident under NTSB part 830. The spar damage renders the aircraft unairworthy.
Original NASA ASRS Text
Title: A VZ10 EXPERIMENTAL ACFT ON ENG RUN FOR A MAGNETO CHK EXPERIENCED AN ENG FIRE CAUSED BY IMPROPERLY INSTALLED PUSH ROD SEALS DURING A #2 CYLINDER REPLACEMENT.
Narrative: DURING ENG MAGNETO CHK, AN OIL-INDUCED FIRE IGNITED IN THE ENG COWL. POST INSPECTION REVEALS AN OIL LEAK ON THE #2 CYLINDER PUSH RODS. THIS CYLINDER WAS REPAIRED AND INSTALLED BY AN A&P/IA MECH LESS THAN 30 DAYS AGO AND 6 FLYING HRS. ACFT R WING SPAR WAS DELAMINATED DUE TO HEAT. ALL WIRING UNDER COWLING WAS DESTROYED OR DAMAGED. THIS WAS NOT CLASSIFIED AN ACCIDENT UNDER NTSB PART 830. THE SPAR DAMAGE RENDERS THE ACFT UNAIRWORTHY.
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.