# SDR 2006UALA01384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2006
- Submitted: July 18, 2006
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 40,248 hours, 7,615 cycles
- Engine: Pwa PW4077
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006UALA01384

## Discrepancy

THE 3LR, 4LR OVERHEAD EMERGENCY LIGHTS BLINK ON AND OFF.  UNABLE TO DUPLICATE BLINKING PROBLEM WITH EMEG LTS ARMED. CLEANED SWITCH S1 ON P5 MODULE M30001 AND TESTED SYSTEM. EMERG LTS OPS CHK OK.

---
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.