# SDR 2025FA0000358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2025
- Submitted: May 15, 2025
- Operation: General aviation
- Aircraft: [N240B](https://openairdocs.org/aircraft/N240B), registered now
- Make and model: Lear 31A
- Registry model: [Lear 31A](https://openairdocs.org/model/learjet-31a) (OpenAirDocs)
- Aircraft serial: 31175
- Aircraft time: 6,874 hours, 5,877 cycles
- Engine: Garrtt TFE7312
- Engine time: 6,874 hours, 5,877 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Boot
- Part number: 40653481
- Part serial: 2472273
- Condition: Burned
- Location: Zone 300
- Part time: 231 hours, 231 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000358

## Discrepancy

UPON POST FLIGHT WALK AROUND INSPECTION BY FLIGHT CREW, IT WAS DISCOVERED THAT THE LEFT HORIZONTAL STABILIZER ANTI-ICE BOOT HAD SHORTED OUT AND BURNT A HOLE IN THE BOOT AND LEADING EDGE OF THE STABILIZER, NEAR THE CUFF.

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