# SDR ASAA2023123047749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2023
- Submitted: February 10, 2024
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 41,482 hours, 13,156 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71701100
- Condition: No Test
- 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/ASAA2023123047749

## Discrepancy

LEFT OVERWING EMERGENCY LIGHTS FAILED BATTERY TEST. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE BATTERY PACKS & CHARGER S/N 213871 OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-960-805, 33-51-06-960-806.

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