What was found
DURING 100HR INSPECTION BORESCOPING ENG, FOUND NR 5 CYLINDER CRACKED FROM LOWER SPARK PLUG BOSS PROCEEDING TO CYLINDER TO EXHAUST VLV. CRACK WAS 1/2 INCH LONG.
- Difficulty date
- May 14, 2015
- Submitted
- May 14, 2015
- Operation
- Air carrier
- Aircraft
- N1704U
- Make and model
- Cessna 207
- Aircraft serial
- 20700304
- Aircraft time
- 33,885 hours
- Engine
- Cont IO520F
- Engine time
- 11,557 hours
- Propeller
- Hartzl PHCC3YF1
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder Head
- Part number
- SA52006A1
- Part serial
- PMA526H1414876
- Condition
- Cracked
- Location
- Nr 5
- Part time
- 545 hours
- Component
- Engine · Cont · IO520F
- Component part number
- IO520F
- 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.