# SDR FDEA202311210104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2023
- Submitted: January 25, 2024
- Operation: Air carrier
- Aircraft: [N744FD](https://openairdocs.org/aircraft/N744FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 664
- Aircraft time: 73,893 hours, 26,492 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Part number: 825UN01A4AD0A
- Condition: Inoperative
- Location: Emergency Lights
- 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/FDEA202311210104

## Discrepancy

DURING PREFLIGHT CHECKS, EMERGENCY LIGHT TOGGLE  SWITCH WAS STUCK IN OFF POSITION AND BROKE OFF WHEN  MOVED TO ARM POSITION.  NO REFERENCE REQUIRED  PLACED EMERGENCY LIGHT SWITCH TO OFF/DISARM  POSITION.  LRD U  IDENTIFIED PARTS  TOGGLE SWITCH.   COURIER COMPARTMENT INTERIOR  EMERGENCY LIGHTS ALL- INOP. NO JUMPSEATERS ALLOWED TO OCCUPY THE COURIER AREA.   EMERGENCY LIGHT TOGGLE SWITCH 22WL NIS IN  LRD.    SWITCH MOVED TO OFF/DISARMED POS.   REPLACED EMERGENCY LIGHT TOGGLE SWITCH REF IPC 33-51-08-01A TEST NORMAL REF AMM 33-51-00-05-09.

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