Service difficulty report · Cylinder · Doug DC6A

Difficulty date
January 12, 2007
Submitted
January 15, 2007
Operation
Air carrier
Aircraft
N6174C
Make and model
Doug DC6A
Aircraft serial
44075
Aircraft time
52,738 hours
Engine
Pwa R2800CB3
Engine time
1,994 hours
Part
Cylinder
Part number
356993
Part serial
FK1498
Condition
Cracked
Location
Nr 4
Part time
499 hours
Stage of operation
CR
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 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 4 CYLINDER. REPLACED NR 4 CYLINDER DUE TO A CRACKED HEAD PER NAC DC-6MM SECT V PG 16 AND 16A. OP AND LEAK CHECKED GOOD.

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