What was found
ENGINE CYLINDERS REMOVED DUE TO LOW COMPRESSION, FOUND PISTON PLUG BUTTONS MISSING ON ALL CYLINDERS. SCORING ON CYLINDER WALLS 48.9 HRS SINCE SUDDEN STOPPAGE INSPECTION.
- Difficulty date
- February 19, 2016
- Submitted
- June 8, 2016
- Operation
- General aviation
- Aircraft
- N3004
- Make and model
- Amtr SIDEWINDER
- Aircraft serial
- 212276
- Engine
- Lyc O290*
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Plug
- Condition
- Missing
- Location
- Piston
- Part time
- 531 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.