What was found
LANDING ALTITUDE WINDOW IN PRESSURIZATION PANEL WOULD NOT RESET AFTER LANDING ( READS ONLY 50 FEET OR 0). GROUNDED - YES. CONFIRMED. REPLACED CABIN PRESS CTRL MODULE REF AMM 21-31-02. GND VERIFICATION GOOD.
- Difficulty date
- October 30, 2018
- Submitted
- November 1, 2018
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 47,417 hours, 13,973 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Control Module
- Part number
- 8143924002
- Part serial
- 98103177
- Condition
- Failed
- Location
- Cockpit
- Part time
- 40,394 hours, 17,306 cycles
- Stage of operation
- LD
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.