# SDR AALA201804300003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2018
- Submitted: April 30, 2018
- Operation: Air carrier
- Aircraft: [N761AJ](https://openairdocs.org/aircraft/N761AJ), registered now
- Make and model: Boeing 777223
- Aircraft serial: 31478
- Aircraft time: 62,857 hours, 7,570 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 13564
- 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/AALA201804300003

## Discrepancy

AFT CABIN R4 EXIT SIGN WILL NOT ILLUMINATE DURING TEST. REPLACED THE BATTERY PACK IAW AMM 33-51-06-201.

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