# SDR 3EJA202601130001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2025
- Submitted: January 13, 2026
- Operation: Air carrier
- Aircraft: [N780JS](https://openairdocs.org/aircraft/N780JS), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0043
- Aircraft time: 13,752 hours, 9,382 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Shutoff Valve
- Part number: 99124222
- Part serial: 0540
- Condition: Failed
- Location: Zone 100
- Part time: 13,752 hours, 9,382 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA202601130001

## Discrepancy

INCREASED POWER TO TAKEOFF THRUST AND STARTED OUR TAKEOFF.  WITHIN 2 SECONDS WE HEARD A RHYTHMIC TICKING.  R & R EMERGENCY SHUTOFF VALVE.

---
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.