# SDR AALA201907149014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2019
- Submitted: July 16, 2019
- Operation: Air carrier
- Aircraft: [N945AN](https://openairdocs.org/aircraft/N945AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30085
- Aircraft time: 55,837 hours, 23,284 cycles
- System (JASC): [3252 · Shimmy Damper](https://openairdocs.org/jasc/3252)
- Part: Shimmy Dampener
- Condition: Excess Play
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201907149014

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS BRAKES CHATTERING STRONGLY AT LOW SPEED DIFFICULT TO STOP WITHOUT VIOLENT SHAKING. TWO FLIGHTS  IN A ROW. MAINTENANCE REMOVED AND REPLACED THE #3 BRAKE ASSEMBLY. REMOVED AND REPLACED THE RH SHIMMY DAMPER IAW AMM 32-11-81. REMOVED AND REPLACED RT MLG UPPER TORSION LINK IAW AMM 32-11-51. (SEE SDR # AALA201907169004 & AALA201907169005)

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