Service difficulty report · Spark Plug · Doug DC6

Difficulty date
December 18, 2002
Submitted
December 20, 2002
Operation
Air carrier
Aircraft
N1377K
Make and model
Doug DC6
Aircraft serial
44596
Aircraft time
35,034 hours
Engine
Pwa R2800CB3
Engine time
2,471 hours
Part
Spark Plug
Part number
URHB32E
Condition
Cracked
Location
Nr 6 Cylinder
Part time
2,471 hours
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
E

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

What was found

NR 3 ENGINE PRECATIONARY SHUT DOWN DUE TO DOUBLE SHORTED SECONDARY. REPLACED NR 3 ENGINE NR 6 CYLINDER FRONT AND REAR SPARK PLUGS. (CERAMICS BROKEN)

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