# SDR RU3A20131209016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2013
- Submitted: December 9, 2013
- Operation: Air carrier
- Aircraft: [N70](https://openairdocs.org/aircraft/N70), registered now
- Make and model: Beech 300BEECH
- Aircraft serial: FF5
- Aircraft time: 13,257 hours, 6,986 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 026964
- Part serial: 199315702
- Condition: Inoperative
- Location: Ncu
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RU3A20131209016

## Discrepancy

RIGHT AFIS SLIDING SCREEN FROZE IN FLIGHT WITH A COMPLETE NCU LOCKUP.  AFTER LANDING TO ATTEMPT A POWER DOWN RESTART OF AFIS, AN ELEC BURN SMELL NOTICED IN CABIN, AFTER MISSION POWER WAS REMOVED ELEC BURN SMELL DISAPPEARED, REPLACED NCU FAN.

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