What was found
AT CRUISE THE AUTO FAIL AND ALTN LIGHTS ILLUMINATED COMPLIED WITH QRH. NORMAL OPS. GROUNDED - YES. FAULT HISTORY SHOWS OFV LRU FAIL ON NR 2 CONTROLLER. PERFORMED SYSTEM TESTS ON BOTH CONTROLLERS- SYS TESTS OKAY REF FIM 21-31-TASK 801.
- Difficulty date
- October 17, 2018
- Submitted
- October 18, 2018
- Operation
- Air carrier
- Aircraft
- N534AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35202
- Aircraft time
- 30,649 hours, 8,933 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.