# SDR RYNA200906230008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2009
- Submitted: June 23, 2009
- Operation: Air carrier
- Aircraft: N763BK
- Make and model: Boeing 767-3Z9
- Registry model: [Boeing 767-3Z9](https://openairdocs.org/model/boeing-767-3z9) (OpenAirDocs)
- Aircraft serial: 23765
- Aircraft time: 79,554 hours, 16,232 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Condition: Discharged
- 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/RYNA200906230008

## Discrepancy

DURING GROUND TEST OF EMERGENCY LIGHTING SYSTEM INSPECTION OF THE AIRCRAFT REVEALED THE RT EXTERIOR EMERGENCY LIGHTS ABOVE THE R-1, 2 AND 3 DOORS FAILED TO ILLUMINATE AS REQUIRED.  REMOVED AND REPLACED THE DEFECTIVE BATTERY PACK PER THE AMM CHECKED THE SYSTEM AS REQUIRED OPS CHECK GOOD.  AIRCRAFT IS OK FOR SERVICE.

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