What was found
SATCOM LOCK UP. GROUNDED - YES. QRH PROCEDURE, APPLIED-SATCOM PROMPT IS DISPLAYED ON MCDU MENU PAGE AGAIN-NORMAL OPS.
- Difficulty date
- September 11, 2019
- Submitted
- September 13, 2019
- Operation
- Air carrier
- Aircraft
- N474AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40715
- Aircraft time
- 16,817 hours, 5,453 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Satcom
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.