# SDR SIMA20250902001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2025
- Submitted: September 3, 2025
- Operation: Air carrier
- Aircraft: [N779RN](https://openairdocs.org/aircraft/N779RN), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000055
- Aircraft time: 52,648 hours, 34,372 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20250902001

## Discrepancy

HORRIBLE BURNING SMELL IN COCKPIT AND CABIN ON CLIMB OUT RETURNED TO AIRPORT PACK 1 FAILED ON GROUND. EMERGENCY DECLARED PERFORMED OPC OF PACK 2 IAW AMM 21-62-00, OPC GOOD.REF AML PG 113401195-1, AML PG 113401196-1, AML PG 113401186-1 FOR WORK PERFORMED.SEE AML PG 113401200-1 FOR DEFERRAL MEL 21-44.MEL 21-45 RESTORED.

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