What was found
CALL LIGHT ON BOTH MCDUS WILL NOT EXTINGUISH. NO MESSAGES VISIBLE. GROUNDED - YES. RESET BOTH MCDU'S REF B737-900 FIM REF 34-61-00. OPS NORMAL FAULTS CLEARED OK FOR SERVICE.
- Difficulty date
- December 4, 2021
- Submitted
- December 7, 2021
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 30,388 hours, 9,660 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.