What was found
CA SIDE "TERRAIN FAIL" MESSAGE ON ND. INTERMITTENLY OPERATES NORMALLY, THEN FAILS AGAIN. EGPWS TEST OK. GROUNDED - YES. REMOVED AND REPLACED CAPTAINS FLIGHT MANAGEMENT COMPUTER REF B737-900 AMM 34-61-02.
- Difficulty date
- September 5, 2022
- Submitted
- September 7, 2022
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 30,398 hours, 9,680 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Part number
- 1762000101
- Part serial
- 001937
- Condition
- Failed
- Location
- E/E, E5
- Part time
- 3,985 hours, 1,177 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.