# SDR ASAA2023052443364

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2023
- Submitted: May 26, 2023
- Operation: Air carrier
- Aircraft: [N491AS](https://openairdocs.org/aircraft/N491AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44109
- Aircraft time: 27,930 hours, 8,740 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023052443364

## Discrepancy

MULTIPLE INTERIOR & EXTERIOR EMERGENCY EXIT LIGHTS INOP R2 ABOVE & SIDE (INTERIOR) L2 ABOVE & SIDE (INTERIOR) L1 ABOVE & SIDE (INTERIOR) LEFT AFT WING EMER EXIT (EXTERIOR) R2 (EXTERIOR). GROUNDED - YES. DEEP-CYCLE PROCEDURE ACCOMPLISHED FOR ALL APPLICABLE EMERGENCY LIGHTS IAW B737-900 AMM 33-51-06-600-802 AND OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-200-801.

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