What was found
PILOT REPORTED PRESSURIZATION PROBLEMS CABIN ALTITUDE INCREASING WITH ALTITUDE, RETURN TO DEPARTURE AIRPORT. WILL UPDATE REPORT AFTER MAINTENANCE. REMOVED AND REPLACED CABIN ALT CONTROLLER. AIRCRAFT RETURN TO SERVICE.
- Difficulty date
- September 10, 2003
- Submitted
- September 17, 2003
- Operation
- Air carrier
- Aircraft
- N525TW
- Make and model
- Lear 25
- Aircraft serial
- 011
- Aircraft time
- 14,755 hours, 13,941 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 162972
- Part serial
- 330
- Condition
- Inoperative
- Location
- Cabin Pressure
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.