What was found
DURING INSPECTION FOUND ENG THROUGH BOLT NUT PN 652541 CRACKED ON THE NR 3 CYLINDER, CAUSING THE BOLT TO BACK OUT. NEW THROUGH BOLT NUTS ARE USED AT EACH OVERHAUL.
- Difficulty date
- February 19, 2015
- Submitted
- February 23, 2015
- Operation
- Air carrier
- Aircraft
- N247GS
- Make and model
- Cessna 402C
- Aircraft serial
- 402C0637
- Aircraft time
- 25,536 hours, 20,826 cycles
- Engine
- Cont TSIO520VB
- Engine time
- 3,649 hours
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Nut
- Part number
- 652541
- Condition
- Cracked
- Location
- Lt Engine
- Part time
- 1,007 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.