# SDR SIMA20260915001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2026
- Submitted: September 16, 2026
- Operation: Air carrier
- Aircraft: [N284JN](https://openairdocs.org/aircraft/N284JN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000822
- Aircraft time: 18,426 hours, 12,370 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: CR
- 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/SIMA20260915001

## Discrepancy

BURNING RUBBER, WET RAG ODOR COMING FROM VENTS THROUGHOUT ENTIRE AIRCRAFT. SCENT BEGAN DURING STARTUP, DISSIPATED DURING CRUISE, BEGAN AGAIN DURING DESCENT. C/W WORKS COPE AS REQUIRED. ITEM 3 C/W FIM TASK 21-20-00-810-A, NO FAULTS FOUND. ITEM 4 IDENTIFIED COFFEE AND SODA INGESTED AND COKED INTO PACK 2 INLET, COVERING THE PRECOOLER AND POSSIBLE INTERNAL ACM CONTAMINATION. ITEM 5 C/W FIM TASK 21-20 -00-810-803-A. WHEN PERFORMING CHECKS WITH APU BLEED, THERE WAS A SLIGHT BURN SMELL FOR 30 SECONDS AND CLEARED. WHEN PREFORMING THE OPERATION OF PACK 1 WITH ENG 1 NO FAULTS OR SMELLS NOTED . WHEN PERFORMING THE OPERATIONAL CHECKS WITH NUMBER 2 ENG AND NUMBER 2 PACK, A SMELL OF CHOCOLATE WAS NOTED. AIRCRAFT IS TRIAD RELEASED WITH NUMBER TWO PACK MEL'D. SEE AML 115302370 FOR DEFERRAL OF PACK 2.

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