What was found
HF 2 WILL NOT TRANSMIT OR RECEIVE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 HF ANTENNA COUPLER. OPS NORMAL IAW AMM 23-11-61-400-801.
- Difficulty date
- August 19, 2018
- Submitted
- August 20, 2018
- Operation
- Air carrier
- Aircraft
- N583AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35681
- Aircraft time
- 42,046 hours, 12,439 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 178248
- Condition
- Failed
- Location
- Hf Antenna
- Part time
- 12,683 hours, 3,686 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.