# SDR JJBA20231204001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2023
- Submitted: December 4, 2023
- Operation: Air carrier
- Aircraft: [N27190](https://openairdocs.org/aircraft/N27190), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500934
- Aircraft time: 39,864 hours, 26,886 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JJBA20231204001

## Discrepancy

LAV SMOKE WARNING ON EICAS IN FLIGHT. INSPECTED AND PERFORMED OPS CHECK OF LAV LIGHTS AND BALLAST. OPS CHECK SAT, NO SINGS OF BURNING/DAMAGE. PERFORMED OPS CHECK OF LAV SMOKE DETECTION SYSTEM. OPS CHECK SAT.  UNABLE TO DUPLICATE FAULT AT THIS TIME. NO FAULTS FOUND. PERFORMED HIGH ENG RUNS. NO DEFECTS NOTED

---
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.