# SDR ASAA2024042949329

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2024
- Submitted: April 30, 2024
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 54,665 hours, 16,269 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- 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/ASAA2024042949329

## Discrepancy

WHILE PERFORMING TC 78233008, HAD MULTIPLE EMERGENCY LT SECTIONS OUT/INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LT BATT PACKS AND CHARGERS AT LOCATIONS M1694, M1695, AND M1670 IAW AMM 33-51-06-960-805/806. NOW ALL EMERGENCY LT SECTIONS AND INDIVIDUAL LT ASSY ILLUMINATE NORMALLY IAW TC 78233008. ALL FLOOR PANELS RESECURED. NO OTHER DEFECTS NOTED.

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