# SDR LR7A2021081102918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2021
- Submitted: August 12, 2021
- Operation: Air carrier
- Aircraft: [N401LC](https://openairdocs.org/aircraft/N401LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4606
- Aircraft time: 58,927 hours, 34,645 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Turbine
- Part number: 20343041
- Part serial: 242575
- Condition: Smoke
- Location: Cockpit
- 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/LR7A2021081102918

## Discrepancy

DURING SCHEDULED FLIGHT SMOKE CAME FROM FLIGHT DECK AC VENTS.  TURNED OFF FLIGHT DECK AC PACK. / REPLACED FLIGHT DECK COOLING TURBINE IAW SMP 581 21-50 / LOG PAGE #47378.

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