# SDR C2XA02IA075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2002
- Submitted: March 23, 2002
- Operation: Air carrier
- Aircraft: N42836
- 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: 200
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Part number: 335018024
- Condition: Broken
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA02IA075

## Discrepancy

IAH-  WHILE PERFORMING A 1A CHECK INSPECTION IT WAS NOTED THAT THE EMERGENCY LIGHT BATTERY HAS LOW VOLTAGE.  IAH-MAINTENANCE TROUBLESHOT THE SYSTEM AND FOUND THAT THERE WAS NO POWER TO THE EMERGENCY LIGHTS IN THE BATTERY MODE.  MAINTENANCE REPAIRED A BROKEN WIRE TO 29WL PIN F AND G, AND PERFORMED A OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

---
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.