What was found
AFTER TAKEOFF "AUTO FAIL" & "ALTN" LIGHTS ILLUMINATED IAW QRH, SWITCHED TO ALT MODE. NORMAL PRESSURIZATION THROUGHOUT FLIGHT. ACFT GROUNDED. REPLACED CABIN PRESSURE CONTROLLER NR 1, OPS CHECKED GOOD IAW MM 21-31-01 AND 21-31-00.
- Difficulty date
- June 13, 2015
- Submitted
- June 15, 2015
- Operation
- Air carrier
- Aircraft
- N533AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35201
- Aircraft time
- 17,396 hours, 5,174 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 71211997101AC
- Part serial
- 9919425
- Condition
- Failed
- Location
- Cabin Pressure
- Part time
- 50,080 hours, 18,804 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.