# SDR 97ZZZX1203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N127GT](https://openairdocs.org/aircraft/N127GT), registered now
- Make and model: Lear 55LEAR
- Aircraft serial: 067
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Band
- Condition: Failed
- Location: Rotor Winding
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX1203

## Discrepancy

GENERATOR FAILURE WAS TRACED TO THE FAILURE OF BAND SECURING ROTOR WINDINGS.  FAILED BAND WAS AN UNAPPROVED DESIGN.  BAND WAS CONSTRUCTED OF SOLID PIECE RING.  ORIGINAL DESIGN IS A LAYERED WRAPPING, THEN SPOT WELDED.  MFG MANUAL STATED NO REPAIR OF BAND IS PERMITTED.

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