# SDR FDEA202408151128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2024
- Submitted: August 15, 2024
- Operation: Air carrier
- Aircraft: [N651FE](https://openairdocs.org/aircraft/N651FE), registered now
- Make and model: Airbus A300 F4-605R
- Registry model: [Airbus A300 F4-605R](https://openairdocs.org/model/airbus-industrie-a300-f4-605r) (OpenAirDocs)
- Aircraft serial: 728
- Aircraft time: 39,203 hours, 21,827 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321441
- Part serial: 2805
- Condition: Failed
- Location: Zone 200
- Part time: 36,867 hours, 20,806 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202408151128

## Discrepancy

WHEN A/C WAS BOARDED, L1 AND R1 EMERGENCY EXIT  SIGNS WERE ILLUMINATED WITH BOTH COCKPIT EMERGENCY  SWITCH AND COURIER EMERGENCY SWITCH IN THE OFF  POSITION.     R/I 06JUL24 11:13 BWI   REASON CODE : PREMATURE REMOVAL/INSTALLATION   OFF   MPN: 3214-41 POS: ONL   SRL: 2805   ON   MPN: 3214-41 CPN: 3310871   SRL: 1973 TAG NBR: 2557H3      R R'D EPSU PER ABOVE REF. OPS CHECK GOOD. A/C OK   FOR SERVICE.

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