What was found
(CAN) LT ENGINE FAILED IN CRUISE FLIGHT. AIRCRAFT RETURNED TO BASE. ENGINE REMOVED AND REPLACED. THE ACCESSORY CASE WAS REMOVED AND FOUND THAT THE CRANKSHAFT DRIVE GEAR HAD FAILED (TEETH STRIPPED OFF DRIVE GEAR). (TC NR 20070503005)
- Difficulty date
- April 13, 2007
- Submitted
- June 7, 2007
- Operation
- General aviation
- Make and model
- Piper PA31
- Aircraft time
- 12,818 hours
- Engine
- Lyc TIO540A2B
- Propeller
- Hartzl HCE3YR2A
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Drive Gear
- Part number
- 76786
- Condition
- Failed
- Location
- Crankshaft
- Part time
- 2,340 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- Y, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.