# SDR CALA2026032414806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N17126](https://openairdocs.org/aircraft/N17126), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27566
- Aircraft time: 99,171 hours, 24,090 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: 20121
- Condition: Faulted
- 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/CALA2026032414806

## Discrepancy

FROM ROWS 31 TO BACK EMERGENCY LIGHTS INOP EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCH PROCEDURE - SWAPPED EMERGENCY LIGHT BATTERY ON ROWS 29 (M735)(M10954). NO HELP SUSPECT BAD BATTERY AT AFT GALLEY (M736/M737). REPLACED EMERGENCY LITE POWER SUPPLY REF AMM 33-31-07 CK OK

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