What was found
ALTERNATOR NR 1 FAILED DURING A TRAINING FLIGHT. MAINTENANCE TECH NOTED A BROKEN ALTERNATOR CASE BOLT. THE CASE HALVES LOOSENED WHICH THEN CAUSED MORE DAMAGE WHEN THE ROTOR RUBBED THE STATOR, ALTERNATOR ES-4024LP.
- Difficulty date
- April 5, 2016
- Submitted
- April 7, 2016
- Operation
- General aviation
- Aircraft
- N591PU
- Make and model
- Cirrus SR20
- Aircraft serial
- 2052
- Aircraft time
- 2,437 hours
- Engine
- Cont IO360ES
- Engine time
- 693 hours
- System (JASC)
- 2434 · DC Generator-Alternator
- Part
- Bolt
- Part number
- ES4126
- Condition
- Broken
- Location
- Alternator
- Part time
- 449 hours
- Component
- Alternator · Cont
- Component part number
- ES4024LP
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.