# SDR IPXA2025081144210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2025
- Submitted: August 11, 2025
- Operation: Air carrier
- Aircraft: [N158UP](https://openairdocs.org/aircraft/N158UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0847
- Aircraft time: 25,914 hours, 15,709 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- 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/IPXA2025081144210

## Discrepancy

EMERGENCY LIGHTS POWER SUPPLY UNITS FAILED BITE CHECK -ER AMM 33-51-00-0501 REF PS1 STEP 23.   C/W BITE CHECK IAW AMM 33-51-00-0501, NO FAULTS FOUND, CHECK OK AT THIS TIME

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