What was found
NR 2 ENGINE SHUT DOWN DUE TO BACKFIRING AT CRUISE, LOW COMPRESSION INDICATION ON NR 6 CYLINDER. REPLACED NR 6 CYLINDER DUE TO RING LAND FAILURE, PER NAC DC-6MM SEC V PG 16 & 16A. OPERATIONAL CHECK GOOD.
- Difficulty date
- March 13, 2006
- Submitted
- April 12, 2006
- Operation
- Air carrier
- Aircraft
- N6174C
- Make and model
- Doug DC6A
- Aircraft serial
- 44075
- Aircraft time
- 52,205 hours
- Engine
- Pwa R2800CB3
- Engine time
- 1,461 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Ring
- Condition
- Failed
- Location
- Nr 6 Cylinder
- Part time
- 487 hours
- Component
- Cylinder · Pwa
- Component part number
- 356993
- 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.