# SDR SIMA20190705001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2019
- Submitted: July 8, 2019
- Operation: Air carrier
- Aircraft: [N831AE](https://openairdocs.org/aircraft/N831AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145616
- Aircraft time: 37,481 hours, 33,257 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20190705001

## Discrepancy

AUTO PRESSURIZATION FAILED AFTER TAKEOFF. C/A-DEFERRED AUTO AND MANUAL PRESSURIZATION SYSTEM M PROCEDURES C/W AUTH # 070157DM-C REF # 21-19. DE-C/W M PROSSEDURES, VERIFIED SYSTEM VACUUM SUPPLY NORMAL @ -3.0 PSI. VERIFIED MANUAL OPERATION OK IAW AMM 21-31-00. VERIFIED CABIN INTEGRITY (DE-PRESSURIZATION RATE) NORMAL IAW AMM 21-31-00. AUTO PRESS OPS CHK OK IAW AMM CH 21-31-00 MEL RESTORED.

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