# SDR ASAA2021120936856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2021
- Submitted: December 11, 2021
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 28,862 hours, 9,133 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021120936856

## Discrepancy

WEATHER RADAR WILL NOT TEST, "WXR FAIL" AND "PWS FAIL" ANNUNCIATED ON MD. GROUNDED - YES. REPOWERED DOWN PWS, CB'S RESETTED PWS FAIL EXTINGUISHED, OPS NORMAL NO 30 DAY HISTORY AND A/C OK FOR SVC REF B737-900 FIM 34-43-00-710.

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