# SDR CALA2025101510128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2025
- Submitted: October 15, 2025
- Operation: Air carrier
- Aircraft: [N33203](https://openairdocs.org/aircraft/N33203), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30613
- Aircraft time: 77,677 hours, 29,034 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702030
- 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/CALA2025101510128

## Discrepancy

RIGHT AFT OVERWING EXIT DOOR AND RIGHT WING AREA EMERGENCY LIGHTS INOPERATIVE.  POWER SUPPLY M1671 BLOWING FUSE. REMOVED AND REPLACED M1671 BATTERY CHARGER AND BATTERY PACK REF MM 33-51-06. OPS CK OK.

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