# SDR SIMA201910174003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2019
- Submitted: October 17, 2019
- Operation: Air carrier
- Aircraft: [N685AE](https://openairdocs.org/aircraft/N685AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500836
- Aircraft time: 37,197 hours, 32,687 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 8166041
- Part serial: 9912084
- Condition: Failed
- Location: Lt A/C Pack
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201910174003

## Discrepancy

PACK 1 VALVE FAIL-C/A-FLT CREW PLACARD PACK 1 IAW MEL 21-30 AUTH # 100481D-C MOC # 624980. REMOVED AND REPLACED RELAY K0187 IAW EMB AMM 20-13-02-000-801-A AND 20-13-02-400-801-A  PER KVA. NO FIX. FOUND PACK 1 OVERTEMP ON CMC. T/S PER FIM 21-51-00-810-823-A. FOUND PACK VALVE TO BE BAD. RAR PACK VALVE IAW EMB AMM 21-51-01-000-801-A AND 21-51-01-400-801-A. OPC LEAK CHECK GOOD AT THIS TIME. MEL RESTORED. END.

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