# SDR AALA20160916003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2016
- Submitted: September 16, 2016
- Operation: Air carrier
- Aircraft: [N796AN](https://openairdocs.org/aircraft/N796AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30796
- Aircraft time: 64,067 hours, 8,114 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 104837
- Condition: Discharged
- Location: Emergency Lights
- 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/AALA20160916003

## Discrepancy

DURING PS2 EMERGENCY LIGHT OPERATIONAL TEST EMERGENCY LIGHTS DOOR 1L TURNED OFF AFTER 30SEC. ACCOMPLISHED TROUBLESHOOTING SSM 33-51-12 AND REPLACED POWER SUPPLY BATTERY M33093 LOCATED ABOVE 1L DOOR IAW AMM 33-51-06. CHECK OPERATIONAL OK AFTER MAINTENANCE PROCEDURE. THE AIRCRAFT WAS NOT GROUNDED.

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