What was found
AT FL 295 WHILE CLIMBING TO FL 390, CREW OBSERVED 2500 FT/MIN CABIN CLIMB. INITIATED EMERGENCY DESCENT PER AFM. FINAL MAINTENANCE FINDING, REPLACED DIFFERENTIAL PRESSURE CONTROLLER. FLIGHT TEST OK.
- Difficulty date
- December 3, 2007
- Submitted
- January 31, 2008
- Operation
- Air carrier
- Aircraft
- N123DA
- Make and model
- Lear 35A
- Aircraft serial
- 405
- Aircraft time
- 14,172 hours, 12,319 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 13036813
- Part serial
- 411517
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.