# SDR FDEA202604290521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N654FE](https://openairdocs.org/aircraft/N654FE), 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: 738
- Aircraft time: 40,995 hours, 22,544 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Power Supply
- Part number: 321490
- Part serial: 0533
- Condition: Failed
- Location: Zone 800
- 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/FDEA202604290521

## Discrepancy

ON POST FLIGHT FOUND L1 & R1 CREW ENTRY DOOR ESCAPE  SLIDE WARNING SYSTEM LIGHTS - INOP. DURING TEST,  BOTH ASSOCIATED WARNING BUZZERS OPERATE NORMALLY.   MEL 52-73-01-01: L1 & R1 CREW ENTRY DOOR ESCAPE  SLIDE WARNING SYSTEM LIGHTS - INOP.  REMOVED AND REPLACED AUTONOMOUS STANDBY UNIT (70WN) IAW AMM 52-73-18-04, OPS CHECK GOOD.

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