# SDR 454A202501303217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2025
- Submitted: January 30, 2025
- Operation: Air carrier
- Aircraft: [N500EQ](https://openairdocs.org/aircraft/N500EQ), registered now
- Make and model: Beech C90
- Registry model: [Beech C90](https://openairdocs.org/model/beech-c90) (OpenAirDocs)
- Aircraft serial: LJ1387
- Aircraft time: 8,121 hours, 8,481 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Vent
- Condition: Blocked
- Location: Zone 100
- Part time: 8,121 hours, 8,481 cycles
- Stage of operation: AA
- How discovered: V
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/454A202501303217

## Discrepancy

SMOKE IN THE CABIN AFTER 5 MINUTES OF FLIGHT, SIGNIFICANT SMELL. THE SMOKE DID DIMINISH AFTER HEAT WAS TURNED OFF AND AC TURNED ON. CORRECTIVE ACTION: INSPECTED AND CLEANED AREA AROUND HEATER VENTS. PERFORMED GROUND RUNS WITH NO DEFECTS NOTED. UNABLE TO DUPLICATE ANY ISSUES.

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