# SDR SIMA20190530003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2019
- Submitted: May 31, 2019
- Operation: Air carrier
- Aircraft: [N849AE](https://openairdocs.org/aircraft/N849AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145716
- Aircraft time: 31,532 hours, 28,398 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Tube
- Condition: Not Reported
- Location: Outflow Valve
- 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/SIMA20190530003

## Discrepancy

MEL 21-17 AUTH # 050951DM-C ORIGINAL LOG PAGE 4510226 ITEM 1. AUTO PRESS SYSTEM FAILED DURING CLIMB. AURAL WARNING. MANUAL PRESSURIZATION IS EXTREMLY SENSITIVE AND RANGES FROM -3000 TO + 3000  FEET/ MIN CAB RATE. C/A-REMOVED AND REPLACED OUTFLOW VALVES INTERCONNECTION TUBE IAW AMM 21-31-03 AND 21-31-04. SYSTEM REACTIVATED PER M PROCEDURES. OPERATIONAL CHECK GOOD. MEL RESTORED.

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