Service difficulty report · Exhaust Mixer · Beech F33A

Difficulty date
April 30, 2021
Submitted
April 30, 2021
Operation
General aviation
Aircraft
N43BB
Make and model
Beech F33A
Aircraft serial
CE1517
Aircraft time
3,691 hours
Engine
Cont IO550B
Engine time
800 hours
Part
Exhaust Mixer
Part number
ETIB108
Condition
Detached
Location
Turbo Charger
Part time
800 hours
Stage of operation
CL
How discovered
O
Nature of condition
B, G, R
Precautionary procedure
B, A

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

What was found

EXHAUST ASSEMBLY MANIFOLD FAILURE AT FULL POWER. PIPE BROKE OFF MANIFOLD ASSEMBLY INLET TO TURBO HEAT MELTED PLENUM DUCTING RESULTING IN SMOKE IN COCKPIT. PILOT CLOSED FIREWALL VALVE

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