What was found
DURING TAKE-OFF, APPLIED TAKE-OFF POWER, AND THE PRESSURIZATION CLIMB RATE WENT TO -1000 FPM. REMOVED AND REPLACED RT ENG BI LEVEL FLOW VALVE, OPS CHKD GOOD.
- Difficulty date
- December 6, 2025
- Submitted
- January 15, 2026
- Operation
- Air carrier
- Aircraft
- N855JS
- Make and model
- Cessna 560XL
- Aircraft serial
- 5605064
- Aircraft time
- 11,172 hours, 8,791 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Valve
- Part number
- 99124921
- Part serial
- 2551
- Condition
- Failed
- Location
- Rt Engine
- Part time
- 11,172 hours, 8,791 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.