Service difficulty report · Cylinder · Cessna 421C

Difficulty date
January 9, 2014
Submitted
January 31, 2014
Operation
Air carrier
Aircraft
N421RX
Make and model
Cessna 421C
Aircraft serial
421C0264
Engine
Cont GTSIO520L
Part
Cylinder
Condition
Cracked
Location
Nr 5
Part time
3,594 hours
Stage of operation
IN
How discovered
V
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

DURING SCHEDULED INSPECTION, NOTICED LIGHT COATING OF OIL TOP FWD CASE. CLEANED AND COMPLIED WITH CSB97-9 DYE CHECK. VERIFIED CRACK FWD TOP OF NR 5 CYLINDER. NOTED FLOW DIVIDER BRACKET BROKEN FWD AND AFT OF MOUNT. 166 HRS. SINCE RAM SERVICEABLE CASE INSTALLED.

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