# SDR SIMA20261003001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2026
- Submitted: October 5, 2026
- Operation: Air carrier
- Aircraft: [N228NN](https://openairdocs.org/aircraft/N228NN), 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: 17000545
- Aircraft time: 26,665 hours, 18,079 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- 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/SIMA20261003001

## Discrepancy

ON THE DESCENT THRU 14,000FT HAS SOME TURBULENCE AND FA1 CALLS SHORTLY AFTER REPORTING A BURNING SMELL COMING FROM FIRST CLASS. FA1 CALLS ABOUT A MINUTE LATER AND REPORTS THAT THE SMELL IS GONE. NO SMOKE AND NO ABNORMAL INDICATIONS IN THE FLIGHT DECK OR IN THE CABIN. THERE WAS A "SWEET: SMELL IN THE FLIGHT DECK AFTER LANDING. REFER TO AML PAGE 104602910 FOR DISCREPANCY - ITEM 1 C/W TRIAD WORKSCOPE AS FOLLOWS: PERFORMED FHDB DOWNLOAD AND UPLOAD, PERFORMED EMB 1765 FIM 21-20-00-810-801-A FOR SMOKE AND/OR ABNORMAL SMELL IN CABIN OR COKPIT, PERFORMED VISUAL INSPECTION OF COCKPIT AND PASSENGER CABIN, INSPECTED HEAT CONTROLLERS FOR EVIDENCE OF SMELL OR BURNED WIRES, PERFORMED VISUAL INSPECTION OF ALL FLASHLIGHTS. NO DEFECTS NOTED. INSPECTED LH AND RH PACK HEAT EXCHANGERS FOR CONTAMINATION. SEE NRWC 028-DFW-05979 FOR CORRECRIVE ACTION PERFORMED.

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