# SDR SIMA20180715003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2018
- Submitted: July 17, 2018
- Operation: Air carrier
- Aircraft: [N939AE](https://openairdocs.org/aircraft/N939AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500923
- Aircraft time: 32,647 hours, 28,142 cycles
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake Assy
- Part number: 217072
- Part serial: 2958
- Condition: Defective
- Location: Mlg
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20180715003

## Discrepancy

DURING HIGH SPEED TAXI BOTH INBOARD BRAKES RISE TO AMBER RANGE AND OUTBOARD BRAKES REMAIN IN GREEN, AFTER APPROX 10 MIN COOLING NR 3 BRAKE REMAINS IN AMBER RANGE AND REMAINING BRAKES RETURN TO GREEN RANGE. REMOVED AND REPLACED NR 3 BRAKE ASSY IAW W/C 32-600-1. REMOVED AND REPLACED NR 4 BRAKE ASSY IAW W/C 32-600-14. REMOVED AND REPLACED NR 4 MLG BRAKE HYD FUSE IAW AMM 32-41-07 OPS AND LEAK CHECKS GOOD. PERFORMED HIGH SPEED TAXI. NO NR 3 BRAKE TEMP INDICATION SHOWED NORMAL INDICATION. ALL OTHER BRAKE INDICATIONS NORMAL . OPS CHECK GOOD.  LT MAIN BRAKE ASSY NR 4 P/N 2-1707-2 S/N 1757; HYDRAULIC FUSE P/N 38-791500 S/N 3929.

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