# SDR IXXA20251208084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2025
- Submitted: December 9, 2025
- Operation: Air carrier
- Aircraft: [N353AZ](https://openairdocs.org/aircraft/N353AZ), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25198
- Aircraft time: 113,249 hours, 21,347 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BPS73
- 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/IXXA20251208084

## Discrepancy

EMERGENCY EXIT SIGN BY L1 DOOR DOES NOT ILLUMINATE DURING LIGHT TEST.  REMOVED AND REPLACED POWER SUPPLY IAW B767 AIRCRAFT MAINTENANCE MANUAL 33-51-07. OPS CHECKED GOOD.

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