# SDR IPXA2026051473375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2026
- Submitted: May 20, 2026
- Operation: Air carrier
- Aircraft: [N135UP](https://openairdocs.org/aircraft/N135UP), 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: 0818
- Aircraft time: 28,310 hours, 17,443 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Buzzer
- Condition: Shorted
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026051473375

## Discrepancy

SLIDE WARNING HORN DOES NOT TEST AUDIBLY. NO HORN LIGHT WORKS REMOVED AND REINSTALLED BUZZER PER AMMA 52-73-12/401 FOUND LOOSE CONNECTION. TIGHTENED AND OPS CHECK NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
