What was found
ANC - FLT 80 - RETURNED TO ANC DUE NR 1 ENGINE BACKFIRED IN CRUISE, LOW COMPRESSION INDICATED NR 9 CYLINDER. MAINTENANCE REPLACED NR 9 CYLINDER AND RETURNED AIRCRAFT TO SERVICE. (X)
- Difficulty date
- June 28, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N4213X
- Make and model
- Doug DC6A
- Aircraft serial
- 44605
- Engine
- Pwa CB3
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 327628
- Condition
- Cracked
- Location
- Nr 1 Engine
- Stage of operation
- CR
- Nature of condition
- E
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.