# SDR CALA2026050515983

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N76516](https://openairdocs.org/aircraft/N76516), registered now
- Make and model: Boeing 737824
- Aircraft serial: 37096
- Aircraft time: 55,402 hours, 20,319 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026050515983

## Discrepancy

EMERGENCY LIGHTS WING EXIT ON AND OFF INTERMITENT, PWR SUPPLY REPLACED AFFECTED THIS AREA, THESE LIGHTS COME ON AND OFF WHETER THE P5 S7 SWITCH IS IN ARMED OR ON REF FIM 33-50 TASK 801,  LAMPS AND BULBS WORK.   REMOVED AND REPLACED BOTH SIDES EMERGENCY LIGHT POWER SUPPLY IAW AMM 33-51-06-960-806. CURRENTLY INSTALLED IN RIGHT SIDE. CURRENTLY INSTALLED IN LEFT SIDE,  OPS CHECK GOOD AT THIS TIME. OK TO CONTINUE

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