# SDR IPXA2022021679082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2022
- Submitted: February 18, 2022
- Operation: Air carrier
- Aircraft: [N573UP](https://openairdocs.org/aircraft/N573UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35662
- Aircraft time: 50,800 hours, 7,913 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Radar
- Condition: Failed
- Location: Cabin
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022021679082

## Discrepancy

INSPECTION TYPE:NA**ATB SDR FILED** **NO EMERGENCY DECLARED** DURING CLIMBOUT LEFT AND RIGHT WXR SYS FAILED. AIR TURN BACKCOMPLETED GROUND TEST REF AMM 34-43-00-745-009-002 TEST PASSED LEFT AND RIGHT. COMPLETED OPERATIONAL TEST AMM 34-43-00-735-092-002 NO FAULTS NOTED LEFT AND RIGHT.OPERATIONAL TEST PASSED. OK TO CONTINUE

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