# SDR SWAA2024111858895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2024
- Submitted: November 18, 2024
- Operation: Air carrier
- Aircraft: [N7723E](https://openairdocs.org/aircraft/N7723E), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32670
- Aircraft time: 58,114 hours, 30,194 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024111858895

## Discrepancy

L2 EMERGENCY LIGHT INOP.<[01] RELAMPED; REF. AMM 33-51-04. NO FIX. SWAPPED POWER SUPPLIES M1672 AND M1673; REF. AMM 33-51-06. NO FIX. SWAPPED BACK TO ORIGINAL. CHECK CONTINUITY FROM D10746 TO GND; REF. WDM 33-51-14-6. GOOD CONTINUITY. REQUIRES MORE T/S; SHORT-TO-GROUND MOST LIKELY.;[02] RE-INSTALLED L2 EMERGENCY LIGHT REF AMM 33-51-04. OPS CHECKS GOOD.

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