Service difficulty report · Exhaust Valve · Cessna 402C

Difficulty date
August 11, 2016
Submitted
August 15, 2016
Operation
Air carrier
Aircraft
N88833
Make and model
Cessna 402C
Aircraft serial
402C0265
Aircraft time
31,497 hours
Engine
Cont TSIO520VB
Part
Exhaust Valve
Part number
658175A2BP
Part serial
AC14EA608
Condition
Cracked
Location
Nr 6 Cylinder
Part time
2,386 hours
Component
Engine · Cont · TSIO520VB
Component part number
TSIO520VB
Stage of operation
IN
How discovered
C
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

CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION. EXHAUST VALVE CRACKED AND DISPLAYS EVIDENCE OF HEAT DAMAGE.

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