# SDR 2007UALA05196

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2007
- Submitted: December 21, 2007
- Operation: Air carrier
- Aircraft: N199UA
- Make and model: Boeing 747422
- Aircraft serial: 28717
- Aircraft time: 41,913 hours, 5,064 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 582233
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: W, L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA05196

## Discrepancy

ALL EXTERNAL EMERGENCY EXIT LIGHTS ON RIGHT SIDE OF ACFT INOPERATIVE.  REPLACED BATTERY AND CHARGER.

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