What was found
AIRINC IS GARBLED AND UNREADABLE USING HF1. COMMUNICATION WITH AIRINC IS NORMAL WHEN USING HF2. GROUNDED - YES. PERFORMED TEST OF HF1 COMMUNICATION SYSTEMOPS NORMAL IAW B737-9 AMM 23-11-21-740-001.
- Difficulty date
- December 18, 2021
- Submitted
- December 21, 2021
- Operation
- Air carrier
- Aircraft
- N915AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44080
- Aircraft time
- 1,766 hours, 618 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.