# SDR SIMA20260925003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N236NN](https://openairdocs.org/aircraft/N236NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000572
- Aircraft time: 26,422 hours, 17,852 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Pressure Switch
- Part number: 8209734
- Condition: Failed
- Location: Bleed Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20260925003

## Discrepancy

BLEED 2 OVERPRESSURE AT 2,000 FT. RAN QRH, MESSAGE EXTINGUISHED YET LOOKING ON ECS PAGE BLEED, 2 VALVES SHOWED FAILED CLOSED ALONG WITH HIGH PRESSURE STILL PRESENT. DECIDED TO PUSH OUT BLEED 2 AND KEEP OFF REMAINDER OF FLIGHT. BLEED VALUE EVENTUALLY RETURNED TO A NORMAL VALUE AFTER RESELECTING THE BLEED 2 OFF.  R & R RT OVERPRESSURE SWITCH, IAW AMM 36-14-01. OPC GOOD IAW AMM 36-11-00. REF NRWC 036-DFW-05938 AND TURNOVER FOR TECH SUPPORT WORK SCOPE FOR WORK PERFORMED REF AML PG 115003048 ITEM 1.

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