# SDR QMLA2023112120107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2023
- Submitted: November 23, 2023
- Operation: Air carrier
- Aircraft: [N135TG](https://openairdocs.org/aircraft/N135TG), registered now
- Make and model: Urocop EC135T2
- Registry model: [Urocop EC135T2](https://openairdocs.org/model/eurocopter-deutschland-ec135t2) (OpenAirDocs)
- Aircraft serial: 0298
- Aircraft time: 8,759 hours, 25,253 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2023112120107

## Discrepancy

PILOT AND CREW REPORTED FUMES IN CABIN/ COCKPIT AREA AND RETURNED TO LAND AS A PRECAUTION. THE MECHANIC WAS CALLED TO INVESTIGATE. THE DOOR SEALS AND ATTACHING HARDWARE WERE EXAMINED FOR DEFECTS. THE METRO AIR / HEATING SYSTEM WAS INSPECTED FOR DEFECTS IN THE HOSES AND FITTINGS. NONE WERE FOUND. IT IS SUSPECTED LOW AMBIENT TEMPERATURES AND A TAILWIND CAUSED SOME FUMES TO BE DRAWN INTO THE CABIN AREA.

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