# SDR CALA2025010601821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2025
- Submitted: January 7, 2025
- Operation: Air carrier
- Aircraft: [N79402](https://openairdocs.org/aircraft/N79402), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30119
- Aircraft time: 62,830 hours, 26,172 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: No Test
- Location: Zone 200
- 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/CALA2025010601821

## Discrepancy

EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK  {B737-33-3-0235} - DOME LIGHT FOR SEAT 12R, 20R TURN OFF AFTER 10 SEC ON. REPLACED BATTERY PACK UNDER RH FWD OVERWING EXIT DOOR IN REF TO AMM 33-51-06-960-805.PARTS USED:  99-3351-3-0015,QTY :1 ALL EMERGENCY LIGHTS OPS CKED GOOD - STAYED ON AFTER SELECTING ON MODE.  BATTERY PAC INSTALLED. OPS CHECK GOOD AND SOLD TO INSPECTON.

---
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.