What was found
THE ATC LOGON/STATUS MENU SHOWS DATA LINK FAIL AND WE WERE UNABLE TO RE-LOGON TO CPDLC. GROUNDED - YES. REBOOTED ACARS CMU REBOOTED #1 FMC COMPUTER DUE TPO LOCKUP CPDLC FUNCTION TEST OK. REF. B737-9 AMM 34-61-00-720-899 OPS CK OK.
- Difficulty date
- April 27, 2022
- Submitted
- April 29, 2022
- Operation
- Air carrier
- Aircraft
- N928AK
- Make and model
- Boeing 737890
- Aircraft serial
- 44099
- Aircraft time
- 496 hours, 160 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
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.