Beech A36 Loose Exhaust Manifold Pipe During an accident investigation, the top l/h engine cowling was found with evidence of fire damage. The l/h exhaust manifold pipe was loose and the l/h turbocharger clamp was 288
Cracks And Malfunctions
During an accident investigation, the top l/h engine cowling was found with evidence of fire damage. The l/h exhaust manifold pipe was loose and the l/h turbocharger clamp was lying in the bottom of the engine cowl. This aircraft was destroyed in fire, sustaining one fatality. Exhaust clamp p/n: MVT69183200LW1. The engine was a Lycoming TIO-540-J2B, presumably installed under an STC.
Key Takeaways:
- A fatal aircraft fire in a Beech A36 was caused by a loose exhaust manifold pipe, while a Lycoming O360-A4M experienced engine failure due to a cracked crankshaft.
- Rotax 912ULS fuel pumps and primer lines failed after minimal exposure to automotive fuel containing ethanol, indicating fuel compatibility issues.
- Recurring problems were reported with Airhawk tires chafing wheel rims on Piper PA28-181s and two consecutive Kelly-overhauled turbochargers leaking oil shortly after installation.
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