What was found
HF 1 UNABLE TO ESTABLISH COMMUNICATIONS. GROUNDED - YES. OPS CHECKS GOOD REF B737-9 AMM 23-11-00. INFLIGHT OPS TEST ON BOTH HF RADIOS GOOD.
- Difficulty date
- July 8, 2022
- Submitted
- July 18, 2022
- Operation
- Air carrier
- Aircraft
- N937AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44100
- Aircraft time
- 335 hours, 103 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Hf Comm
- Part number
- UNKNOWN
- Condition
- Failed
- 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.