What was found
BOROSCOPE INSPECTION INDICATED CRACKING IN THE RT ENGINE NR 3 CYLINDER HEAD. AFTER THE CYLINDER WAS REMOVED, CRACKS WERE OBSERVED TO THE SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR 160941.
- Difficulty date
- May 27, 2015
- Submitted
- May 28, 2015
- Operation
- General aviation
- Aircraft
- N971PA
- Make and model
- Piper PA44180
- Aircraft serial
- 4496031
- Aircraft time
- 7,231 hours
- Engine
- Lyc O360A1H6
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder Head
- Part number
- AEL65102
- Part serial
- 6135916
- Condition
- Cracked
- Location
- Nr 3
- Part time
- 2,632 hours
- Stage of operation
- IN
- How discovered
- B
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.