# SDR 96ZZZX2877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N854ND](https://openairdocs.org/aircraft/N854ND), registered now
- Make and model: Piper PA-44-180
- Registry model: [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180) (OpenAirDocs)
- Aircraft serial: 4495008
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Alternator
- Part number: ALX8421LS
- Condition: Fan Failed
- Location: Lt Engine
- Part time: 1,833 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX2877

## Discrepancy

LEFT ALTERNATOR COOLING FAN FAILED.  FAN APPEARS TO HAVE LOST FIT BETWEEN SHAFT SHOULDER AND PULLEY.  FAN BECAME OFF-CENTER AND BROKE THROUGH/SEPARATED SHAFT.  FOUND FAN SEPARATED FROM ALTERNATOR AND LODGED BETWEEN ALTERNATOR BRACKET AND STARTER RING GEAR.

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