# SDR SIMA201902254001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2019
- Submitted: February 27, 2019
- Operation: Air carrier
- Aircraft: [N612AE](https://openairdocs.org/aircraft/N612AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145079
- Aircraft time: 45,173 hours, 40,788 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Malfunctioned
- Stage of operation: NR
- 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/SIMA201902254001

## Discrepancy

FL 360 CABIN ALTITUDE WAS UNCONTROLLABLE IN AUTO OR MANUAL MODE FOLLOWED QRH PROCEDURES.   PERFORM FIM TASK 21-31-00-810-808-A TO STEP 8  NO DEFECT NOTED,  NO MORE TIME TO T/S  MEL REMAINS OPEN.  (M) PROCEDURES C/W. T/S CABIN PRESSURIZATION CONTROL SYSTEM IAW FIM TASK 21-31-00-810-808 STEP 8 PREFORMED AMM TASK 21-31-00-700-808 FOUND TO BE TRASITORY CONDITION OF THE CABIN PRESSURIZATION CONTROL SYSTEM OPS CHECK GOOD NO DEFECTS NOTED REACTIVATED SYSTEM IAW AMM 21-31-03-440-801 AND AMM 21-31-04-440-801 MEL RESTORED

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