What was found
HF1 RADIO TRANSMISSION INOP RECEPTION OK. GROUNDED - YES. PERFORMED HF1 AND 2 OPERATIONAL TEST REF B737-800 AMM 23-11-00-710-801 AND AMM 23-10-00-730-801 ETOPS GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- December 4, 2021
- Submitted
- December 7, 2021
- Operation
- Air carrier
- Aircraft
- N538AS
- Make and model
- Boeing 737890
- Aircraft serial
- 41188
- Aircraft time
- 35,430 hours, 10,354 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.