What was found
INVESTIGATING A NR 2 ALTERNATOR NO OUTPUT CONDITION. FOUND THAT THE NR 2 ALTERNATOR ATTACH POINT CRACKED THRU. SUSPECT DEFECT CASTING OF PART. RECOMENDATION WOULD BE TO MAKE THE PART FROM BILLET ALLUMINUM INSTEAD OF CAST ALUNIMUM.
- Difficulty date
- April 5, 2012
- Submitted
- May 4, 2012
- Operation
- General aviation
- Aircraft
- N66RN
- Make and model
- Cirrus SR22
- Aircraft serial
- 3796
- Engine
- Cont IO550N
- System (JASC)
- 5340 · Fuselage Main, Attach Fittings
- Part
- Attach Bracket
- Part number
- 646404
- Condition
- Cracked
- Location
- Nr2 Alternator
- Part time
- 100 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.