# SDR COMA9512034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N258CA](https://openairdocs.org/aircraft/N258CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120247
- System (JASC): [3450 · Dependent Position Determining System](https://openairdocs.org/jasc/3450)
- Part: Antenna
- Part number: DMN4171A
- Condition: Defective
- Location: Vert Stab
- Stage of operation: AP
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9512034

## Discrepancy

DURING ILS APPROACH, BOTH LT AND RT CDI NEEDLES ARE DEFLECTING LEFT AND RIGHT OF CENTER.  REPLACED THE TAIL NAV ANTENNAS.

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