# SDR CALA2026081318574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N69819](https://openairdocs.org/aircraft/N69819), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 43533
- Aircraft time: 38,001 hours, 14,210 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Damaged
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026081318574

## Discrepancy

REPEAT WRITE UP.   EMERGENCY LIGHTS, RIGHT, BTWN ROW 29 AND 34 CAME ON AFTER TAKE OFF.  FOUND DAMAGED TEST SWITCH ON POWER SUPPLY. REMOVED AND REPLACED POWER SUPPLY AT CEILING ROW 30. WORK PERFORMED IAW AMM 33-51-06-960-806. OPS CHKD GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.