# SDR HNAA2022022800117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2022
- Submitted: February 28, 2022
- Operation: Air carrier
- Aircraft: [N637AE](https://openairdocs.org/aircraft/N637AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145170
- Aircraft time: 48,532 hours, 45,816 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Not Reported
- Condition: Not Reported
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2022022800117

## Discrepancy

PDIS  637     29-10  2744641  27FEB22  PHL  CLOSE
      AFTER TAKEOFF CLIMBING THROUGH 500 FEET EICAS ADVISORY MESSAGE HYD 1 QTY LO. AROUND 10000 FEET A LOUD WIND/HUMMING NOSIE HEARD. RTF.
                                          31082    00 PCS
FACT  27FEB22  12:38  PHL
            PERFORMED GVI OF NOSE LANDING GEAR AND REST OF THE AIRCRAFT DIDN'T FOUND ANY OBVIOUS DEFECTS. SERVICE HYD SYSTEM #100 IAW AMM 12-13-01 AND SWUNG GEAR IAW AMM 32-30-00. OPS CHECK AND LEAK CHECK GOOD. COULD NOT DUPLICAT AIRCRAFT OKAY FOR SERVICE.

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