What was found
HF 1 FAIL MESSAGE ON COMM RADIO. ACFT GROUNDED. PERFORMED FIM 23-11, TASK 801, NR 1 & NR 2 HF TRANSCEIVERS BITE CHECK NORMAL, NO FAULTS NOTED, COMM HEAD FAIL MESSAGE EXTINGUISHED.
- Difficulty date
- April 19, 2016
- Submitted
- April 21, 2016
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 37,763 hours, 11,131 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Nr 1 Hf
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.