# SDR C2XA99BT011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N14822
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 163
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3011180
- Condition: Inoperative
- Location: Row 1,3,4
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA99BT011

## Discrepancy

BTV - MAINTENANCE REPORTED EMERGENCY AISLE PATH LIGHTING AT 1A/B, 3 A/B, 4 A/B NOT WORKING.  REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT.  OPS CHECK OF LIGHTING GOOD.  (M)

---
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.