# SDR HNAA2023060600245

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2023
- Submitted: July 7, 2023
- Operation: Air carrier
- Aircraft: [N640AE](https://openairdocs.org/aircraft/N640AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145183
- Aircraft time: 50,489 hours, 47,570 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2023060600245

## Discrepancy

LEFT MAIN GEAR DISPLAYS INTERMITTENT WHITE AND AMBER ON EICAS, DURING RETRACTION AND THUMPING NOISE HEARD ON FIRST OFFICERS SIDE HYDRAULIC COMPARTMENT.  R & R #100 UPLOCK BOX IAW AMM 32-33-10 UP TO STEP K6.   AIRCRAFT REQUIRES FUNCTIONAL CHECK OF LDG EMERGENCY EXTENSION, OPS & LEAK CHECK OF MLG EXTEND/RETRACT & VERIFICATION OF NO LG NOSE UP PROXIMITY SW FAIL ON CMC IAW AMM 32-33-10 STEPS K6 TO K8.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.