# SDR IPXA2018011025307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2018
- Submitted: January 10, 2018
- Operation: Air carrier
- Aircraft: [N138UP](https://openairdocs.org/aircraft/N138UP), 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: 0821
- Aircraft time: 18,136 hours, 11,321 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Horn
- Condition: False Activation
- Location: Main Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018011025307

## Discrepancy

MAIN CABIN WARNING HORN SOUNDS CONTINUOSLY IN FLT,  BEGAN CLIMBING THROUGH FL300.  RESET THE CIRCUIT BREAKER E22,  OPS CHECKED SLIDE HORN & BITE CHECKED AUTONOMUS SUPPLY UNIT 70WN.  OPS CHECKED GOOD

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