# SDR HNAA2022103100296

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2022
- Submitted: October 31, 2022
- Operation: Air carrier
- Aircraft: [N637AE](https://openairdocs.org/aircraft/N637AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145170
- Aircraft time: 49,669 hours, 47,092 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Connector
- Condition: Dirty
- Location: Smoke Detector
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2022103100296

## Discrepancy

LAV SMOKE MASTER WARNING DISPLAYED AND AUDIBLE ON TAKE OFF.   UNABLE TO DUPLICATE ISSUE. INSPECTED #2 DAU AND FOUND THE CONNECTOR GUNKED. CLEANED CONNECTOR AND R+R  DAU IN REF TO AMM 31 14 01. ALSO R+R LAV SMOKE PANEL AS PREVENTATIVE MX IN REF TO AMM 26 14 02. OPS CHECK GOOD. OK FOR SERVICE

---
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.