Cessna 182T Cracked Firewall Doubler A 1.5-inch long crack was discovered in the forward firewall doubler (p/n 0753600-24). The crack was located on the lower left quadrant of the doubler, and was centered around the top rivet attaching the parking brake control bracket to the 288
Cracks, Adjustments
A 1.5-inch long crack was discovered in the forward firewall doubler (p/n 0753600-24). The crack was located on the lower left quadrant of the doubler, and was centered around the top rivet attaching the parking brake control bracket to the firewall and firewall doubler.When the parking brake handle is pulled, this area of the firewall and doubler flex. The submitter suggests it is very probable that this flexing action has caused this crack.
Key Takeaways:
- Various aircraft experienced diverse mechanical failures, including a cracked firewall doubler in a Cessna 182T and a standby vacuum hose failure in a Mooney M20R.
- Engine-related issues were reported, such as a Cessna 402C suffering an engine quit due to a misadjusted fuel injection system and a Continental O-470R failing from a cracked case, possibly due to age and auto fuel use.
- An Artex ME-406 ELT repeatedly failed to reset after testing, requiring multiple returns to the manufacturer for investigation.
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