# SDR HNAA2020122100376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2020
- Submitted: December 21, 2020
- Operation: Air carrier
- Aircraft: [N658AE](https://openairdocs.org/aircraft/N658AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145760
- Aircraft time: 40,386 hours, 35,860 cycles
- System (JASC): [3432 · Glide Slope System](https://openairdocs.org/jasc/3432)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Rt Glideslope
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2020122100376

## Discrepancy

GLIDESLOPE LEFT AND RIGHT SIDE DID NOT MATCH ON ILS APPROACH. FOR THE ENTIRE APPROACH.  R & R RT NAV UNIT, IAW EMB AMM 34-32-01.  OPERATIONS CHECK GOOD OK FOR SERVICE.  PERFORMED ILS CHECK, IAW TIC BOX, NAV SENSITIVITY CHECK GOOD.  CLEAR MEL 34-10 AND SIL 34-51.

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