What was found
NR 3 ENGINE FEATHERED DUE TO BACKFIRING, AND DOUBLE SHORTED SECONDARY, NR 16 CYLINDER. BORESCOPED CYLINDER, NO DAMAGE REVEALED. COMPRESSION TESTED CYLINDER, 80/72. BARO POWER OPS CHECK GOOD, MAG DROP 4 + 4, NO SIGNIFICANT RPM SPLIT.
- Difficulty date
- June 5, 2002
- Submitted
- June 5, 2002
- Operation
- Air carrier
- Aircraft
- N99330
- Make and model
- Doug DC6A
- Aircraft serial
- 43576
- Aircraft time
- 27,780 hours
- Engine
- Pwa R2800*
- Engine time
- 499 hours
- System (JASC)
- 8500 · Engine (Reciprocating)
- Part
- Engine
- Part number
- R2800
- Part serial
- P33821
- Condition
- Malfunctioned
- Location
- Nr 3
- Part time
- 499 hours
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.