# SDR 2008UALA06173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2008
- Submitted: October 28, 2008
- Operation: Air carrier
- Aircraft: N548UA
- Make and model: Boeing 757222
- Aircraft serial: 25396
- Aircraft time: 63,574 hours, 18,415 cycles
- Engine: Pwa PW2037
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- 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/2008UALA06173

## Discrepancy

DURING EMERGENCY LIGHT TEST, FOLLOWING BULLNOSE LIGHTS INOP, 4AB, 6AB, 10CD, 13 CD, 14 AB, 15 AB, 20 CD, 21 AB, 23 CD, 27 CD, AND 29 AB.  RELAMPED ALL LISTED LOCATIONS.  ALSO REPLACED BATTERY PACK M10568, OPS CHECKS GOOD REF MM 33-51-07 AND 33-51-05.

---
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.
