What was found
HF1 ON RADIO TUNING PANEL SHOWS FAIL IN BOTH ACTIVE AND STANDBY. GROUNDED-YES. ACCOMPLISHED B737-900 FIM 23-11 TASK 802. OPERATIONS CHECK NORMAL.
- Difficulty date
- January 7, 2021
- Submitted
- January 8, 2021
- Operation
- Air carrier
- Aircraft
- N487AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44108
- Aircraft time
- 19,749 hours, 6,172 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Nr 1 Hf Comms
- 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.