# SDR IPXA2026082400675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2026
- Submitted: August 24, 2026
- Operation: Air carrier
- Aircraft: [N127UP](https://openairdocs.org/aircraft/N127UP), 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: 0811
- Aircraft time: 29,322 hours, 18,119 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Test Unit
- Part number: 321490U
- Part serial: 002149
- Condition: Faulted
- Location: Aspsu
- 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/IPXA2026082400675

## Discrepancy

ASPSU TEST UNIT FAULT LIGHT ILLUMINATED WHEN BITE TESTED. REPLACED ASPSU IAW AMM 52-73-18/401. OPS CHECK GOOD, NO FURTHER DEFECTS NOTED.

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