# SDR CALA2021120102232

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2021
- Submitted: December 1, 2021
- Operation: Air carrier
- Aircraft: [N37274](https://openairdocs.org/aircraft/N37274), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31592
- Aircraft time: 63,523 hours, 21,770 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: None
- Part number: 142147
- Condition: Inoperative
- Location: Na
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021120102232

## Discrepancy

ANTISKID INOP LIGHT LIGHT ON REPLACED ANTISKID CONTROL UNIT REF AMM  32-42-21-400-801 OPS CHECK NORMAL REPLACED CONTROL UNIT ROTABLE PARTS CHANGE WAS INDICATED - TT # 1173718  SN OFF 0230 CONTROL, AUTOBR  OFF 29-3242-9-0002 0230 ON 29-3242-9-0002 3124

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