Service difficulty report · Firewall · Bell 407

Difficulty date
May 13, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N141MA
Make and model
Bell 407
Aircraft serial
53016
Part
Firewall
Part number
206064902127
Condition
Cracked
Location
Aft Lt Side
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT FIREWALL L/H SIDE: SPOT WELDS ARE CRACKING AT L/H OIL LINE FITTING SUPPORT. STOP DRILLED CRACK. MFG REPAIR USING 025 TITANIUM. LOCATED AND INSTALLED TO FIREWALL USING MS20615M-3 RIVETS.

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