# SDR AALA202312186278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2023
- Submitted: December 18, 2023
- Operation: Air carrier
- Aircraft: [N174US](https://openairdocs.org/aircraft/N174US), registered now
- Make and model: Airbus A320*
- Aircraft serial: 1492
- Aircraft time: 73,435 hours, 28,264 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Connector
- Part number: UNKNOWN
- Condition: Dirty
- Location: Zone 200 - Fuse
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202312186278

## Discrepancy

AIRCRAFT WAS GROUNDED: CIDS PANEL CAUTION LIGHT. MAINTENANCE ACCOMPLISHED TSM 33-51-00-810-806-A, DISCONNECTED DECODER ENCODER UNIT B CONNECTOR (AALA202312189304) AND EMERGENCY POWER SUPPLY UNIT 11WL CONNECTOR (AALA202312186278). MAINTENANCE CLEANED BOTH CONNECTORS, RE-CONNECTED THE CONNECTORS TO  DECODER ENCODER UNIT B AND EMERGENCY POWER SUPPLY UNIT 11WL. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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