# SDR 4DPA2021082080002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2021
- Submitted: August 20, 2021
- Operation: Air carrier
- Aircraft: [N259JX](https://openairdocs.org/aircraft/N259JX), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145402
- Aircraft time: 28,921 hours, 25,552 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Blown
- Location: Nr 1 A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2021082080002

## Discrepancy

ISSUE: PACK 1-2 VALVE CLOSED MESSAGE AND PACK 2 WAS ALREADY DEFERRED RESULTED IN PRESSURIZATION ISSUES. CREW RETURNED TO BURBANK. CORR ACTION PACK1 DISCOVERED BLOWN OFF DUCT AND SLEEVE REINSTALLED OPS/LK CHECK GOOD. PACK2 DISCOVERED BLOWN OFF DUCT AND SLEEVE REINSTALLED OPS/LK CHECK GOOD. (HAS FLOWN 7 LEGS SINCE NO ISSUES)

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