# SDR 2006UALA01721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2006
- Submitted: September 8, 2006
- Operation: Air carrier
- Aircraft: N593UA
- Make and model: Boeing 757222
- Aircraft serial: 28144
- Aircraft time: 33,048 hours, 12,378 cycles
- Engine: Pwa PW2037
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131
- Condition: Inoperative
- Location: Emergency Light
- 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/2006UALA01721

## Discrepancy

THE FOLLOWING EMERGENCY LIGHTS ARE INOP:  SLIDE LIGHT 4L, EXIT SIGN OVER DOOR 4L, EXIT MARKERS DOORS 4L & 4R.  AFT GALLEY OVERHEAD EXIT SIGN, AISLE LIGHTS AT ROWS 29 & 32.  THE CAUSE OF EMERGENCY LIGHT INOP CONDITION IS ATTRIBUTED TO A FAILED BATTERY CHARGER.  REPLACED BATTERY CHARGER.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.