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After returning to field to reinstall a right wing fuel tank cap that had come off at about 700 feet; a single pilot of a beech baron 58 aircraft reports that on the subsequent right engine start; apparently fuel fumes ignited for 2-3 seconds; causing damage outboard of the engine. The right wing upper and lower skin and the right aileron were deformed.
| Attributes | |
| ACN | 898156 |
| Time | |
| Date | 201007 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Baron 58/58TC |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Parked |
| Route In Use | None |
| Flight Plan | VFR |
| Component | |
| Aircraft Component | Fuel Tank Cap |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Engineer Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 31 Flight Crew Total 31000 Flight Crew Type 600 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
While at ramp and after aborted flight due to right fuel cap coming loose on takeoff; on subsequent right engine start; apparently fuel fumes ignited for approximately 2-3 seconds causing damage to the right wing. Cause of this occurrence could have been prevented by a better designed locking mechanism for the beechcraft type fuel caps.
Original NASA ASRS Text
Title: After returning to field to reinstall a right wing Fuel Tank Cap that had come off at about 700 feet; a single Pilot of a Beech Baron 58 aircraft reports that on the subsequent right engine start; apparently fuel fumes ignited for 2-3 seconds; causing damage outboard of the engine. The right wing upper and lower skin and the right aileron were deformed.
Narrative: While at ramp and after aborted flight due to right fuel cap coming loose on takeoff; on subsequent right engine start; apparently fuel fumes ignited for approximately 2-3 seconds causing damage to the right wing. Cause of this occurrence could have been prevented by a better designed locking mechanism for the Beechcraft type fuel caps.
Data retrieved from NASA's ASRS site as of April 2012 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.