# SDR CALA2023033100952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2023
- Submitted: March 31, 2023
- Operation: Air carrier
- Aircraft: [N62892](https://openairdocs.org/aircraft/N62892), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 42195
- Aircraft time: 24,747 hours, 8,989 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Unknown
- Part number: NA
- Condition: Inoperative
- Location: Battery Pack Mo1
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023033100952

## Discrepancy

EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK  {B737-33-3-0235} - SEATS 15, 20, 21 EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK MO1694, EMERGENCY LIGHTS TEST OK.  PARTS USED:  99-3351-3-0015,QTY :1 EMERGENCY LITE CHECKS OK

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