# SDR C2XA10IA186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2010
- Submitted: July 7, 2010
- Operation: Air carrier
- Aircraft: N21537
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145523
- Aircraft time: 20,970 hours, 16,106 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Clamp
- Part number: TSS44S40
- Condition: Loose
- Location: Heat Exchanger
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA10IA186

## Discrepancy

TUL - FLIGHT 2752, ON DESCENT INTO TUL THE CREW RECEIVED A PACK 1 FAIL AND PACK 2 INOP MESSAGE.  THE CREW PERFORMED AN EMERGENCY DESCENT AND THE AIRCRAFT LANDED AT TUL WITHOUT INCIDENT.  MAINTENANCE INSPECTED THE AIRCRAFT AND SECURED A LOOSE CLAMP ON THE LEFT HANDPACK HEAT EXCHANGER, OPERATIONALLY  & LEAK TESTED WITH NO DEFECTS.   THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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