# SDR DALA2026031601808

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N582NW](https://openairdocs.org/aircraft/N582NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32981
- Aircraft time: 78,616 hours, 26,042 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Exhaust Fan
- Part number: 4101054
- Part serial: 4327
- Condition: Smoke
- Location: Zone 200
- Part time: 49,239 hours, 16,638 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026031601808

## Discrepancy

AFT LAV SMOKE DETECTORS SOUNDED WITH REPORT OF SMOKE ODOR.   REPLACED AFT EQUIPMENT EXHAUST FAN 1 AND K346 RELAY. (AIRCRAFT GROUNDED)

---
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.