# SDR SIMA20180815001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2018
- Submitted: August 16, 2018
- Operation: Air carrier
- Aircraft: [N939AE](https://openairdocs.org/aircraft/N939AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500923
- Aircraft time: 32,860 hours, 28,326 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Clamp
- Condition: Unsecure
- Location: Duct
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20180815001

## Discrepancy

DURING ICE TEST, CABIN DEPRESSURIZED. EMERGENCY DECLARED.   PERFORMED A PRESSURIZATION CONTROL SYS TEST WITH CREW,  OPERATED NORMALLY.  NO DEFECTS NOTED. NR 2 ENGINE ANTI-ICE VALVE WOULD NOT OPEN DURING TEST. NO ASSOCIATED EICAS MESSAGES DISPLAYED.    FOUND NO CORRELATED CMC MESSAGE. FOUND V-BAND CLAMPS SECURE, BUT ADJUSTABLE CLAMPS FOR BOTH DUCTS WERE LOOSE AND DUCT WAS NOT SECURED ON EITHER SIDE.  SECURED THE ADJUSTABLE CLAMPS IAW IAW AMM 30-21-01-400-801-A.  PERFORMED THREE GOOD OPS CHECKS IAW AMM 30-00-00-700-802-A/500.

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