# SDR DALA2018071604498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2018
- Submitted: July 16, 2018
- Operation: Air carrier
- Aircraft: N624AG
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 25624
- Aircraft time: 70,643 hours, 22,064 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Condition: Not Reported
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018071604498

## Discrepancy

DIV-SLC DUE TO CABIN PRESSURIZATION ISSUES. CREW HEARD THUMP AND THEN CABIN STARTED CLIMBING. FOUND CLAMP BLOWN OFF RT PACK AT CONDENSER. REPLACED LEFT PACK HEAT EXCHANGER.

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