# SDR 9JLA2023032244020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2023
- Submitted: March 22, 2023
- Operation: Air carrier
- Aircraft: [N700LH](https://openairdocs.org/aircraft/N700LH), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500148
- Aircraft time: 8,233 hours, 5,200 cycles
- System (JASC): [5755 · Spoilers](https://openairdocs.org/jasc/5755)
- Part: Position Sensor
- Part number: 99145841
- Condition: Failed
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2023032244020

## Discrepancy

THE FLIGHT CREW REPORTED THAT AFTER ENGINE START DURING FLIGHT CONTROL TESTS, A SPEEDBRAKE/ROLL SPOILER POSITION INDICATION AMBER FAULT AT ALL POSITIONS. THE SYSTEM WAS DISABLED AND OPERATIONS WERE CONTINUED PER A 10 DAY MEL 27-60-02. DURNING THE MAINTENANCE EVENT TO REPAIR THE SYSTEM THE LEFT SPEED BRAKE POSITION SENSOR WAS FOUND DEFECTIVE. THE SENSOR WAS REPLACED WITH A NEW UNIT. OPS CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.

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