What was found
HF2 RADIO WILL NOT TUNE (NO SIDE TONE) RADIO PANEL CHANGES BUT HF2 DOES NOT TRANSMIT NOR RECEIVE. SAT COM2 WORKS FINE. GROUNDED - YES. CYCLED HF2 CIRCUIT BREAKER PER B737-800 AMM 20-60-05, ETOPS VERIFICATION SUCCESSFUL.
- Difficulty date
- November 16, 2021
- Submitted
- November 18, 2021
- Operation
- Air carrier
- Aircraft
- N563AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35180
- Aircraft time
- 54,675 hours, 16,148 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.