# SDR SIMA1881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2000
- Submitted: August 21, 2000
- Operation: Air carrier
- Aircraft: [N607AE](https://openairdocs.org/aircraft/N607AE), registered now
- Make and model: Emb EMB-145
- Registry model: [EMB EMB-145](https://openairdocs.org/model/embraer-emb-145) (OpenAirDocs)
- Aircraft serial: 145064
- Aircraft time: 3,821 hours, 4,174 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Condition: Failed
- Location: A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA1881

## Discrepancy

ORD - FLT 4101 - PACK VALVES FAILED IN CRUISE.  AIRCRAFT WOULD NOT PRESSURIZE.  CREW RETURNED TO ORD FOR MTX.  MTX RESET POWER AND NO DEFECTS NOTED.  OPS CHECKED GOOD.  (X)

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