# SDR 4VAA202311170012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2023
- Submitted: November 18, 2023
- Operation: Air carrier
- Make and model: Saab 2000SAAB
- Aircraft serial: 021
- Aircraft time: 26,233 hours, 26,726 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 330151
- Part serial: 2091
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4VAA202311170012

## Discrepancy

DURING INSPECTION, ISSUES WERE FOUND WITH THE STANDBY INSTRUMENT LIGHTING SYSTEM. MAINTENANCE REPLACED THE EMERGENCY LIGHTING POWER SUPPLY 11LN. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.

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