What was found
AIR TURNBACK, DURING CLIMB OUT AT 13,500'. THE CABIN ALT WARNING HORN SOUNDED CABIN CLIMBING AT 800 FPM CABIN ALT ABOVE 10,000' NO "AUTO FAIL" LIGHT. R&R CABIN PRESSURE CONTROLLER IAW AMM.
- Difficulty date
- August 18, 2017
- Submitted
- August 22, 2017
- Operation
- Air carrier
- Aircraft
- N390SW
- Make and model
- Boeing 7373H4
- Aircraft serial
- 26593
- Aircraft time
- 72,656 hours, 58,269 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 7638102
- Part serial
- P43
- Condition
- Faulty
- 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.