What was found
ATO- DUE TO (NAV GPWS) FAULT AT THROTTLE UP. PLACED GPWS ON MEL. THEN REPLACED T2CAS COMPUTER ON ARRIVAL IN LAX. OK FOR SERVICE. AIRCRAFT WAS GROUNDED.
- Difficulty date
- April 2, 2026
- Submitted
- April 6, 2026
- Operation
- Air carrier
- Aircraft
- N806NW
- Make and model
- Airbus A330323
- Aircraft serial
- 0578
- Aircraft time
- 97,804 hours, 12,843 cycles
- System (JASC)
- 3444 · Ground Proximity System
- Part
- Computer
- Part number
- 900000011414
- Part serial
- 22000816
- Condition
- Faulted
- Location
- Zone 200
- Part time
- 68,378 hours, 8,545 cycles
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.