# SDR CALA2023120103533

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2023
- Submitted: December 1, 2023
- Operation: Air carrier
- Aircraft: [N37464](https://openairdocs.org/aircraft/N37464), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41745
- Aircraft time: 35,221 hours, 12,767 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Autobrake Sys
- Part number: 142147
- Part serial: A2039
- Condition: Faulty
- Location: Sta 318.75
- Part time: 48,977 hours, 18,154 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023120103533

## Discrepancy

SPEEDBRAKE DO NOT ARM LIGHT CAME ON DURIG TAKEOF F ROLL APPROX 90 KTS. TROUBLESHOT PER FIM 32-42 TASK 829. COULD NOT DUPLICATE FAULT. REMOVED AND REPLACED ANTISKID AUTOBRAKE CONTROL UNIT IN REFERENCE TO AMM 32-42-21. OPS CHECK GOOD NO FAULTS NOTED.

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