What was found
AIR TURNBACK/DECLARED EMERGENCY. PASSING FL 350 CABIN LOST PRESSURIZATION. R&R SWITCH S128 PER MM.
- Difficulty date
- December 12, 2016
- Submitted
- December 13, 2016
- Operation
- Air carrier
- Aircraft
- N552WN
- Make and model
- Boeing 7377BX
- Aircraft serial
- 30744
- Aircraft time
- 48,919 hours, 27,463 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Switch
- Part number
- 216A50011
- Condition
- Broken
- Location
- Cockpit
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.