What was found
INCREASED POWER TO TAKEOFF THRUST AND STARTED OUR TAKEOFF. WITHIN 2 SECONDS WE HEARD A RHYTHMIC TICKING. R & R EMERGENCY SHUTOFF VALVE.
- Difficulty date
- October 25, 2025
- Submitted
- January 13, 2026
- Operation
- Air carrier
- Aircraft
- N780JS
- Make and model
- Cessna 525B
- Aircraft serial
- 525B0043
- Aircraft time
- 13,752 hours, 9,382 cycles
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- 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
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.