# SDR CALA2023101303054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2023
- Submitted: October 13, 2023
- Operation: Air carrier
- Aircraft: [N76504](https://openairdocs.org/aircraft/N76504), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31604
- Aircraft time: 52,991 hours, 19,422 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Drive Unit
- Part number: 6225135202
- Part serial: 4710
- Condition: Unknown
- Location: Radome/Nose
- Part time: 72,346 hours, 26,556 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023101303054

## Discrepancy

MULTIPLE WX RADAR MESSAGES. ANT/FAIL. FELT A VIBRATION/GRINDIN N OISE WHILE ON. CONTACT TOMC UNLOCKING R+R DRIVE PEDESTAL UNIT IAW AMM 34-43-11. OPS CHECK SAT

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