# SDR CALA2023041901181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2023
- Submitted: April 19, 2023
- Operation: Air carrier
- Aircraft: [N53441](https://openairdocs.org/aircraft/N53441), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 30131
- Aircraft time: 44,355 hours, 15,442 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: 99335130015
- Condition: Inoperative
- Location: Battery Pack
- 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/CALA2023041901181

## Discrepancy

EMERGENCY LIGHT IN OVERHEAD BIN 20 FED INOP REMOVED AND REPLACED BULB IAW AMM 33-51-03 , NO FIX. POWER SUPPLY REQUIRES NEW BATTERY REF WDM 33-51-13-6.1 PANNEL TO BATTERY IN ROW 16DEF STILL REMOVED REPLACED BATTERY PACK AND OPS CHECKED GOOD REF AMM 33-51-06-960-805 PARTS USED:  99-3351-3-0015,QTY :1

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.