What was found
UPPER U-CHANNEL ON ENGINE FIREWALL. CRACKS DEVELOPED WHERE ENGINE MOUNT BOLT RUNS THROUGH FIREWALL. PROBABLE CAUSE IS NORMAL ENGINE VIBRATION.
- Difficulty date
- January 9, 2002
- Submitted
- April 2, 2002
- Operation
- Air carrier
- Aircraft
- N80AC
- Make and model
- Beech 58
- Aircraft serial
- TH56
- Engine
- Cont IO520CB
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Channel
- Part number
- 969800015
- Condition
- Cracked
- Location
- Nacelle
- Part time
- 9,242 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.