# SDR IPXA2025110741913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2025
- Submitted: November 7, 2025
- Operation: Air carrier
- Aircraft: [N147UP](https://openairdocs.org/aircraft/N147UP), 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: 0830
- Aircraft time: 26,498 hours, 16,504 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Fwc
- Condition: Faulted
- Stage of operation: CL
- 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/IPXA2025110741913

## Discrepancy

AIR TURN BACK, AFTER TAKEOFF, RECEIVED IAS DISCREPANCY. ALT DISCREPANCY, TAT FAULT & FUEL. AFT TO TRANSFER NOT AVAILABLE. NUMEROUS SELCAL AUDIO TONES. ALT ALERT €ŒC€? CHORD SOUNDED 9000 FEET FROM TARGET ALTITUDE. CLEANED AND RESEATED FWC AND ACCOMPLISHED OPERATIONAL CHECK IAW AMM 31-51-00-501. OPS CHECK GOOD. OK TO CONTINUE

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