# SDR CALA2018012700361

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2018
- Submitted: January 28, 2018
- Operation: Air carrier
- Aircraft: [N12109](https://openairdocs.org/aircraft/N12109), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27299
- Aircraft time: 90,385 hours, 21,301 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Part number: 21007
- Condition: Faulty
- Location: Cabin
- 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/CALA2018012700361

## Discrepancy

EMERGENCY LIGHT TEST SWITCH ABOVE L2 DOOR INOP. REMOVED AND REPLACED MID FWD EMERGENCY LIGHT TEST SWITCH S10293 P/N:2100-7. OPS CHECK GOOD. REF WDM:33-51-13.

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