# SDR ASAA2020021282129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2020
- Submitted: February 19, 2020
- Operation: Air carrier
- Aircraft: [N548AS](https://openairdocs.org/aircraft/N548AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30020
- Aircraft time: 53,185 hours, 18,454 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454052
- Part serial: 5594
- Condition: Failed
- Location: Fwd Cargo
- Part time: 53,259 hours, 18,475 cycles
- 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/ASAA2020021282129

## Discrepancy

AT CRUISE NOTIFIED ELECTRIC SMOKE & FUMES IN CABIN. SMELL & FUMES INCREASING RAPIDLY THROUGHOUT CABIN. RAN CHECKLIST AND SMOKE AND FUMES STOPPED AFTER TURNING RECIRC FANS & UTILITY & IFS/PASS OFF. GROUNDED - YES. PERFORMED CABIN ODOR T/S PER B737-800 FIM 05-51 TASK 814. FOUND RH RECIRC FAN PRODUCING FUMES AND NOISE. NO OTHER DEFECTS FOUND. REMOVED AND REPLACED RH RECIRCULATION FAN IAW B737-800 AMM 21-25-02-400-801. ALSO REMOVED AND REPLACED RECIRCULATION HEPA AIR FILTER IAW AMM 21-25-01-000-801. OPS CHECK AND LEAK CHECKS GOOD.

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