# SDR ASAA2014061308363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2014
- Submitted: June 30, 2014
- Operation: Air carrier
- Aircraft: [N525AS](https://openairdocs.org/aircraft/N525AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35692
- Aircraft time: 19,485 hours, 6,225 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Failed
- 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/ASAA2014061308363

## Discrepancy

EMERGENCY LIGHTS POWER SUPPLY M1673 REQUIRES REPLACEMENT.  ACFT GROUNDED.  R & R M1673 EMERGENCY LIGHTS POWER SUPPLY, REF: AMM 33-51-06-960-806 EMERGENCY LIGHTS OPS TEST GOOD AMM 33-51-06-960-805, STEP 5.

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