# SDR HNAA2026033000250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2026
- Submitted: March 30, 2026
- Operation: Air carrier
- Aircraft: [N933JN](https://openairdocs.org/aircraft/N933JN), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500918
- Aircraft time: 46,093 hours, 42,406 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Shutoff Valve
- Part number: 38793500
- Part serial: 1883
- Condition: Faulted
- Location: Zone 700
- Part time: 45,096 hours, 42,409 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2026033000250

## Discrepancy

THUMP NOISE FELT BELOW CREW FEET WITH GEAR UP. RECURRENT THUMP THROUGHOUT THE FLIGHT.    R & R 100 AND 200 BRAKE SHUTOFF VALVES IRT AMM 32-41-05. OPS AND LEAK CHECK GOOD. FOUND EXCESSIVE AIR WHILE BLEEDING HYD SYSTEM. OKAY FOR SERVICE AT THIS TIME.

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