# SDR ASAA2022042838147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2022
- Submitted: April 29, 2022
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41705
- Aircraft time: 31,806 hours, 10,129 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: D71702001
- Condition: Inoperative
- Location: Mid Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022042838147

## Discrepancy

REF T/C 78233008. EMERGENCY LIGHTS ROW 23-29 INOP. GROUNDED - YES. REMOVED & REPLACED EMERG POWER SUPPLY W/ BATTERY REF B737-900 AMM 33-51-06. OPS CHECK GOOD.

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