# SDR SIMA20240529001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2024
- Submitted: May 29, 2024
- Operation: Air carrier
- Aircraft: [N308LD](https://openairdocs.org/aircraft/N308LD), 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: 17000874
- Aircraft time: 7,754 hours, 5,443 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: UKNKNOWN
- Condition: Faulted
- Location: Cabin Pressure
- Stage of operation: NR
- 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/SIMA20240529001

## Discrepancy

ADS1 FAIL / PRESN MAN FAIL / PRESN AUTO FAIL DECLARED EMERGENCY NO INJURIES REPORTED. DEFERRED OUTFLOW VALVE REF MEL 21-27  TROUBLE SHOT IAW FIM 21-31-00 FOUND TO BE A TRANSITORY CONDITION OPS CHECKED OK MEL ITEM RESTORED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.