# SDR 2018FA0000499

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2018
- Submitted: December 3, 2018
- Operation: General aviation
- Aircraft: [N691BC](https://openairdocs.org/aircraft/N691BC), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 041
- Aircraft time: 50,439 hours, 49,610 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Dpu
- Condition: Abnormal
- Location: Right
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2018FA0000499

## Discrepancy

RH EHSI FAILED ABOVE 10000 FEET, RETURNED TO KMIA. CORRECTIVE ACTION: R/R RH DPU IAW SAAB AMM OPS CHECKED GOOD

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