Multiple Beech Models Cracked Flap Leading Edge Nose Rib A technician submitted discrepancy reports for the same problem in six different aircraft undergoing annual inspection. Aircraft included an F33A Bonanza, V35B Bonanza, A36 Bonanza, a Model 55 Baron and two B95 Travel Airs. Of these six aircraft, total times ranged from 3144.9 to 5255.1 hours. 288
Separations
A technician submitted discrepancy reports for the same problem in six different aircraft undergoing annual inspection. Aircraft included an F33A Bonanza, V35B Bonanza, A36 Bonanza, a Model 55 Baron and two B95 Travel Airs. Of these six aircraft, total times ranged from 3144.9 to 5255.1 hours. The FAA noted, "This is awfully good anecdotal evidence arguing for close attention to these actuation attach points after a couple thousand hours."
Key Takeaways:
- Multiple Beechcraft models exhibited cracked flap leading edge nose ribs, especially after thousands of flight hours, indicating a common structural fatigue issue.
- Several Cessna models (100/200 series, 336/337) were identified with main landing gear spring strut fatigue failures, requiring visual inspections for corrosion, pitting, and cracking at regular intervals after 1400 flight hours.
- Specific aircraft reported component issues including leaking brake castings on a Cessna 208B due to porosity, a chafed fuel line on a Cessna 172S from rubbing, and an in-flight cabin door separation on a Diamond DA40F due to a bent latch attachment clip.
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