# SDR SIMA20180720002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2018
- Submitted: July 20, 2018
- Operation: Air carrier
- Aircraft: [N933JN](https://openairdocs.org/aircraft/N933JN), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500918
- Aircraft time: 32,765 hours, 28,107 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Line
- Condition: Blown
- Location: Ac Bay
- 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/SIMA20180720002

## Discrepancy

PACK 2 BLEED 2 KEPT FAILING DURING CLM OUT. THEN FA REPORTS POPING AND HISSING NOISE UNDER FLOOR RIGHT SIDE OF AIRCRAFT. A/I DFW ACCT NOISE FROM NR 2 ENGINE. EMERGENCY DECLARED. FOUND LINE BLOWN OFF NR 2 DUAL TEMP CONTROLLER. REINSTALLED LINE IAW ETNEM-21-056 OPS CHECKS GOOD IAW AMM 21-51-00. E2 BLD OPS CHECKS GOOD IAW AMM 36-11-05.

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