# SDR CALA2024123001697

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2024
- Submitted: December 30, 2024
- Operation: Air carrier
- Aircraft: [N57857](https://openairdocs.org/aircraft/N57857), registered now
- Make and model: Boeing 757324
- Aircraft serial: 32816
- Aircraft time: 60,762 hours, 19,384 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6455072
- Part serial: 497
- Condition: Faulted
- Location: Zone 200
- Part time: 700,140 hours, 700,040 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024123001697

## Discrepancy

R RECIR FAN INOP AND SMOKE IN CABIN. STRONG ELEC SMELL.  SECOND EVENT IN 24HRS. LOCKED UNLOCK FOR SIGN OFF REPLACED RIGHT RECIRCULATION FAN, PER AMM REF 21-25-01-404-094, ALSO REPLACED FAN FILTER.PERFORMED OPERATIONAL TEST OF THE RIGHT RECIRCULATION FAN, PER AMM 21-25-00-005-040,GROUND CHECK NORMAL, OK FOR SERVICE.

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