# SDR HYIA20130928001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2013
- Submitted: October 2, 2013
- Operation: Air carrier
- Aircraft: N42836
- Make and model: Aerosp ATR-42
- Registry model: [Aerosp ATR-42](https://openairdocs.org/model/aerospatiale-atr-atr-42) (OpenAirDocs)
- Aircraft serial: 200
- Aircraft time: 39,058 hours, 47,662 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3011180
- Part serial: 1440
- Condition: Discharged
- Location: Emergency Light
- Stage of operation: TX
- 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/HYIA20130928001

## Discrepancy

EMERGENCY EXIT LIGHTS DO NOT ALL ILLUMINATE DURING TEST.  REPLACED POWER SUPPLY UNITS 3WL, 10WL, 15WL, 18WL, 29WL.

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