What was found
HF 2 SHOWS "INOP" IN BOTH FREQ WINDOWS. GROUNDED - YES. PERFORMED B737-800 AMM 23-12-41 RADIO TUNING PNL-INOP DISPLAY TOGGLE- ALL RTP FREQ DISPLAYS ARE NRML.
- Difficulty date
- January 30, 2020
- Submitted
- February 4, 2020
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 42,554 hours, 12,562 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.