# SDR SIMA20140908012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2014
- Submitted: September 10, 2014
- Operation: Air carrier
- Aircraft: [N634AE](https://openairdocs.org/aircraft/N634AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145150
- Aircraft time: 36,080 hours, 32,980 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Leaking
- Location: Nr 2
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140908012

## Discrepancy

STATION REPORTED SMOKE FROM LT MAIN GEAR ON TAXI OUT.  ON RETURN TO GATE, HYD SYS 2 FLUID LEVEL OBSERVED TO DROP RAPIDLY AFTER SETTING PARKING BRAKE.  IN CONJUNCTION WITH EICAS MSG EMRG BRK LOW PRESS & HYD SYS 2 FAIL, POST FLIGHT SHOWED SIGNIFICANT FLUID PUDDLE UNDER LT GEAR MISSING BOLT & LOOSE METAL PLATE ABOUT 1 CM SQUARE ON INSIDE RIM OF RT TIRE & LT GEAR & EXTENSION METAL SHA.  R & R NR 2 BRAKE IAW WC 32-600-14.  R & R NR 1 LT MAIN WHEEL PN 31641 SN 32940083P & NR 2 MLG WHEEL ASSEMBLY PN 31641 SN 22490427P IAW WC 32-700-11.  SERVICED NR 2 HYD SYS IAW AMM 12-13-01.  ALL OPERATIONS & LEAK CHECKS, NO DEFECTS NOTED AT THIS TIME.

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