# SDR SWAA2024111257964

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2024
- Submitted: November 12, 2024
- Operation: Air carrier
- Aircraft: [N8315C](https://openairdocs.org/aircraft/N8315C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 38811
- Aircraft time: 40,212 hours, 18,964 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- 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/SWAA2024111257964

## Discrepancy

EMERGENCY EXIT LIGHTS REMAIN ON IN ARM POSITION. FOUND BREAKER P18-3 B10 TO BE POPPED. OVERWING EXIT SIGN LIGHT IN CABIN STAYED ON IN THE ARMED POSITION. RESET BREAKER LIGHTS STAYED OFF DURING ARMED POSITION.<[01] REFERENCE WDM 33-51-11 PAGE 10 SHEET 2: EMERGENCY LIGHTS OPERATION CHECKS OK. REFERENCE M/M 33-51-00. SHOOK DOWN CONNECTIONS AT BATTERY PACK ASSEMBLIES M1695; M1671 AND M1672 PER SWPM?NO FAULTS FOUND. REPLACED M1695; M1671 AND M1672 CHARGER ASSEMBLIES AND BATTERY PACKS FOR TROUBLESHOOTING PER M/M 33-51-06. OPS CHECKS OK

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