What was found
THE STANDBY ALT SELECT KNOB ON THE PRESSURIZATION PANEL WAS FOUND TO BE INTERMITTENTLY SLIPPING INTERNALLY WHEN ATTEMPTING TO MAKE NUMBER CHANGES. REPLACED THE PANEL AND OPERATIONAL CHECK NORMAL.
- Difficulty date
- December 23, 2016
- Submitted
- December 24, 2016
- Operation
- Air carrier
- Aircraft
- N732KA
- Make and model
- Boeing 737500
- Aircraft serial
- 25065
- Aircraft time
- 43,351 hours, 39,029 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 7110025
- Part serial
- 8111512
- Condition
- Loose
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.