What was found
NR 2 HF FAIL ON BOTH ACTIVE AND STANDBY. ACFT GROUNDED. PERFORMED FIM 23-11, TASK 801, BITE CHECK OF THE NR 2 HF, MESSAGE CLEARED, OPS CHECKED GOOD, AND THE NR 2 HF OPERATED NORMAL, NO DEFECTS NOTED.
- Difficulty date
- June 10, 2018
- Submitted
- June 11, 2018
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 45,818 hours, 13,518 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Nr 2 Hf Comms
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.