# SDR ASOA05499

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2005
- Submitted: June 24, 2005
- Operation: Air carrier
- Aircraft: [N838AS](https://openairdocs.org/aircraft/N838AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7276
- Engine: Ge CF343B1
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Relay
- Part number: HA4A039
- Condition: Shorted
- Location: Emergency Lights
- 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/ASOA05499

## Discrepancy

DURING A GROUND INSPECTION, AN AC ESS BUSS FAULT MESSAGE WAS RECEIVED AND THE EMERGENCY LIGHTS REMAINED ON.  MAINTENANCE REMOVED AND REPLACED THE AC ESS TRANSFER RELAY.  OPERATIONAL CHECKS GOOD AIRCRAFT OK FOR SERVICE. (K)

---
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.