# SDR FDEA202503240493

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2025
- Submitted: March 26, 2025
- Operation: Air carrier
- Aircraft: [N730FD](https://openairdocs.org/aircraft/N730FD), 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: 659
- Aircraft time: 49,743 hours, 26,996 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Battery
- Part number: AD321431
- Part serial: 279524
- Condition: Failed
- Location: Zone 800
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202503240493

## Discrepancy

AT CRUISE, L1 DOOR AUDIBLE SLIDE WARNING. CONFIRMED  HANDLE IN FULLY DOWN POSITION AND ATTEMPTED TO  REARM, BUT WARNING HORN PERSISTED.  WHILE T/S REF TSM 52-73-00, FOUND ASPSU BATTERY #2  WITH RED FAULT LIGHT. REMOVED AND REPLACED BATTERY  REF AMM 52-73-18-04. TEST REF AMM 52-73-00-05-01  TEST GOOD AND A/C IS OK FOR SERVICE.   REMOVED BATTERY PACK

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