Service difficulty report · Intake Valve · Cessna 402C

Difficulty date
April 27, 2023
Submitted
May 1, 2023
Operation
Air carrier
Aircraft
N385CA
Make and model
Cessna 402C
Aircraft serial
C4020111
Aircraft time
21,448 hours, 14,345 cycles
Part
Intake Valve
Part number
UNKNOWN
Condition
Damaged
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
K

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

What was found

PILOT REPORTED RIGHT ENGINE NTO PRIMARY/SECONDARY LIGHTS ILLUMINATED DURING CRUISE AND NOTED A CONTINUOUS POP/SURGE SOUND FROM THE ENGINE. THE ENGINE DIED WHEN POWER WAS BROUGHT NEAR IDLE. INITIAL INSPECTION FOUND THE # CYLINDER INTAKE VALVE HEAD MISSING. ADDITIONAL INSPECTION TO BE ACCOMPLISHED.

LYCOMING, TEO540C1A, SER NR: RL24084A, TT: 719, TC:775

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