What was found
AIR TURN BACK & DECLARED EMER, AT 23000' MSL WE HEARD THE CABIN ALT WARNING HORN. R & R CABIN PRESS CONTROLLER IAW AMM.
- Difficulty date
- May 23, 2016
- Submitted
- May 27, 2016
- Operation
- Air carrier
- Aircraft
- N389SW
- Make and model
- Boeing 7373H4
- Aircraft serial
- 26592
- Aircraft time
- 69,401 hours, 56,022 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 7638106
- Part serial
- 8703195
- Condition
- Failed
- Location
- E&E Bay
- Stage of operation
- CR
- 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.