# SDR C77A20140520002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2014
- Submitted: May 20, 2014
- Operation: Air carrier
- Aircraft: N637CZ
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000256
- Aircraft time: 15,439 hours, 8,879 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Part number: 52615500
- Part serial: 1206
- Condition: Intermittent
- Location: Brake System
- Part time: 15,447 hours, 8,885 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C77A20140520002

## Discrepancy

PARKING BRAKE ON LIGHT ILLUMINATED INTERMITTENTLY ON APPROACH. LANDING & TAXI OPERATIONS NORMAL.  MSG REMAINS CLEARED IAW FIM TASK 32-41-00-810-852A. CKD PKG BRAKE SWITCH ELEC CONNS, NO DEFECTS NOTED.  OPERATIONS CK GOOD IAW AMM 32-44-09 TRANSITORY COND OF PKG BRAKE SWITCH.  RESET POWER IAW AMM 24-42-02 AS PRECAUTIONARY.  OK FOR SERVICE FOLLOWING RTS, EMERGENCY BRAKE LIGHT INTERMITTENT ON TAXI WITH INTERMITTENT EMERGENCY BRAKE FAULT.  REPLACED EMERGENCY BRAKE PRESS SWITCHES IAW AMM 32-44-09.  LEAK & FUNCTIONAL CHECK GOOD.  NO FAULT MSG DISPLAYED.

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