# SDR UPS00234523

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2000
- Submitted: December 4, 2000
- Operation: Air carrier
- Aircraft: [N949UP](https://openairdocs.org/aircraft/N949UP), registered now
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19717
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00234523

## Discrepancy

INSPECTION TYPE:N/A MAIN CABIN SMOKE DETECTOR BACKGROUND LIGHTS DO NOT ILLUMINATE     DURING RETURN FLIGHT AT NIGHT SMOKE DETECTOR APPEARED TO WORK NORMAL LY. CREW REPORT NOTED OPS CK OK PER MM 26-17-01

---
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.