# SDR CALA2017060501714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2017
- Submitted: June 6, 2017
- Operation: Air carrier
- Aircraft: [N37253](https://openairdocs.org/aircraft/N37253), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30584
- Aircraft time: 54,377 hours, 19,231 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Emergency Lights
- 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/CALA2017060501714

## Discrepancy

EMERGENCY LIGHTNS BETWEEN ROWS 22 AND 31 LEFT SIDE FAILED TO TEST.  NOT ILLUMINATING WHEN P-5 SWITCH OR AFT FLIGHT ATTEN DANT TEST SWITCH IS ENERGIZED. REPLACED POWER SUPPLY LOCATED AT BS 727C+13, LEFT SIDE IAW MM 33-51-06-960-805, OPS NORMAL.

---
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.