What was found
PILOT EXPERIENCED PARTIAL POWER INTERUPTION ON TAKEOFF. ABORTED TAKEOFF. BORESCOPE INSPECTION DISCOVERED BROKEN PISTON IN NR 1 CYLINDER. PISTON REPLACED WITH OVERHAULED ASSEMBLY AND ENGINE RE-ASSEMBLED AND TESTED SERVICEABLE.
- Difficulty date
- July 16, 2004
- Submitted
- January 5, 2005
- Operation
- General aviation
- Make and model
- Namer HARVARDMK4
- Aircraft time
- 6,721 hours
- Engine
- Pwa S3H1
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Piston
- Part number
- PN15373
- Condition
- Broken
- Location
- Nr 1 Cylinder
- Stage of operation
- TO
- How discovered
- B
- Nature of condition
- O
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.