# SDR DALA2021011900335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2021
- Submitted: January 19, 2021
- Operation: Air carrier
- Aircraft: [N834MH](https://openairdocs.org/aircraft/N834MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29707
- Aircraft time: 79,227 hours, 15,477 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA2021011900335

## Discrepancy

EXTERIOR EMERGENCY EXIT LIGHTS AT DOOR L2, L3 AND R3 ARE INOPERATIVE.  MAINTENANCE REPLACED THE POWER SUPPLY AND BATTERY ASSEMBLY M6759.  SYSTEM OPERATION IS NORMAL.

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