# SDR 4DPA2021090700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2021
- Submitted: September 8, 2021
- Operation: Air carrier
- Aircraft: [N252JX](https://openairdocs.org/aircraft/N252JX), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145276
- Aircraft time: 33,996 hours, 30,793 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Seized
- Location: Nr 1
- Stage of operation: DE
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2021090700001

## Discrepancy

CABIN CREW NOTED OIL/SMOKE SMELL IN CABIN ON SHORT FINAL; FLIGHT CREW NOTED PACK 1/BLD 1 VLV FAILS ON EICAS AND CREW DECLARED AN EMERGENCY LANDED NO FURTHER OCCURRENCES. TROUBLESHOT TO SEIZED AIR CYCLE MACHINE. DEFERRED THE PACK 1 SYSTEM AND OPS TESTED BLEED 1 SYSTEM WHICH OPS TESTED GOOD.

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