Service difficulty report · Cylinder Head · Doug DC6

Difficulty date
July 28, 2006
Submitted
July 31, 2006
Operation
Air carrier
Aircraft
N779TA
Make and model
Doug DC6
Aircraft serial
45529
Aircraft time
40,277 hours
Engine
Pwa R2800CB3
Engine time
2,484 hours
Part
Cylinder Head
Part number
356993
Part serial
A460VJBY
Condition
Cracked
Location
Nr 3 Engine
Part time
1,417 hours
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
E, A

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

What was found

NR 3 ENGINE SHUT DOWN DUE TO BACKFIRING. FOUND NR 2 CYLINDER WITH CRACKED HEAD. REPLACED CYLINDER ASSEMBLY IAW NAC DC-6MM SEC V PG 16-16A.

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