# SDR ASAA2023052843384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2023
- Submitted: June 1, 2023
- Operation: Air carrier
- Aircraft: [N479AS](https://openairdocs.org/aircraft/N479AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 60576
- Aircraft time: 27,914 hours, 8,688 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- 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/ASAA2023052843384

## Discrepancy

YELLOW "PWS FAIL" DISPLAYED ON BOTH MFDS DURING TAKEOFF AND INITIAL CLIMB. GROUNDED - YES.  ACCCOMPLISHED B737-900 FIM 34-43 TASK 815 NO FAULTS FOUND WEATHER RADAR OPS TEST PASSED, PER FIM THERE WAS AN INTERMITTENT FAULT. NO 30 DAY HISTORY.

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