What was found
HF1 ILLUMINATES FAIL MESSAGE WHEN ENTERING HF FREQUENCIES. GROUNDED - YES. CYCLED AIRCRAFT POWER OPS CHECKED HF1 PER B737-800 AMM 23-11-00-730-801CHECKS GOOD.
- Difficulty date
- September 19, 2021
- Submitted
- September 20, 2021
- Operation
- Air carrier
- Aircraft
- N516AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39044
- Aircraft time
- 46,566 hours, 13,915 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.