# SDR ASAA2024041449009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2024
- Submitted: April 16, 2024
- Operation: Air carrier
- Aircraft: N320AS
- Make and model: Boeing 737990
- Aircraft serial: 33680
- Aircraft time: 67,425 hours, 27,297 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71701100
- Condition: Inoperative
- 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/ASAA2024041449009

## Discrepancy

BOTH LEFT OVERWING HATCH EMERGENCY OVER DOOR LIGHT INOP AND (LT & RT) SMALL EXIT SIGN INOP. GROUNDED - YES. INSTALLED CEILING PANEL, REMOVED AND REPLACED BATTERY PACKS FOR EMERGENCY LIGHTS IAW B737-900 AMM 25-21-45-400-801, 33-51-00-710-801, 33-51-006-960-805. (S/N 234245)

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