# SDR CALA2026082518915

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2026
- Submitted: August 26, 2026
- Operation: Air carrier
- Aircraft: [N68817](https://openairdocs.org/aircraft/N68817), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42747
- Aircraft time: 38,630 hours, 14,208 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- 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/CALA2026082518915

## Discrepancy

ROWS 34ABC - 39ABC FLOOR PROXIMITY LIGHTS AND AFT LEFT EXTERIOR EMERGENCY LIGHT INOP. EMERGENCY LIGHTS OPS CHECKED.    REMOVED AND REPLACED AFT LEFT (M1673) POWER SUPPLY IAW AMM 33-51-06. OPS CHECK GOOD.

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