# SDR DALA2025121209096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2025
- Submitted: December 12, 2025
- Operation: Air carrier
- Aircraft: [N944DZ](https://openairdocs.org/aircraft/N944DZ), registered now
- Make and model: Boeing 737-9GPER
- Registry model: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (OpenAirDocs)
- Aircraft serial: 38729
- Aircraft time: 32,693 hours, 14,421 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454052
- Part serial: 10885
- Condition: Odor
- Location: Zone 100
- Part time: 32,672 hours, 14,402 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025121209096

## Discrepancy

(LOG 8140804) RUBBERY/BURNING PLASTIC ELEC SMELL IN CABIN AT LEVEL ALERTING PAX AND FA'S. FOUND RIGHT RECIR FAN BINDING AGAINST CASE. R/R RIGHT RECIR FAN IAW B737 AMM 21-25, ALSO REPLACED LT/RT RECIR FAN FILTERS IAW B737 AMM 21-25.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.