# SDR CWQA20260322001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N250AG](https://openairdocs.org/aircraft/N250AG), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20793
- Aircraft time: 2,788 hours, 1,481 cycles
- Engine: Hnywl AS90721A
- Engine time: 2,788 hours, 1,495 cycles
- System (JASC): [2930 · Hydraulic Indicating System](https://openairdocs.org/jasc/2930)
- Part: Sensor
- Part number: 9702861
- Part serial: 6109
- Condition: Failed
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CWQA20260322001

## Discrepancy

DURING CLIMB AFTER TAKEOFF FROM APF CREW RECEIVED AMBER “R HYD TEMP HIGH” CAS MESSAGE.  MESSAGE CAME AND WENT 3 TIMES BEFORE STAYING ON.  CREW FOLLOWED CHECKLIST, TURNED OFF PUMP, AND CLOSED R SOV, HOWEVER TEMP CONTINUED TO VARY BETWEEN 150 AND 204.  CREW CONTINUED CHECKLIST AND SHUT DOWN RIGHT ENGINE.  CREW DECLARED EMERGENCY AND PERFORMED UNEVENTFUL SINGLE ENGINE LANDING IN MIA.  AFTER LANDING AIRCRAFT ENTERED SCHEDULED MAINTENANCE. MAINTENANCE EVALUATION FOUND RESISTANCE ON THE RESERVOIR TEMP SENSOR ROSE FROM 108 OHMS TO 160 OHMS WITH HYO SYSTEM OFF, INDICATING A TEMP SENSOR AT FAULT.  REMOVED AND REPLACED RH HYO TEMP SENSOR.  PERFORMED SATISFACTORY FUNCTIONAL CHECK OF THE RH HYO TEMP SENSOR.

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