What was found
NR 2 HF RADIO WILL NOT TRANSMIT OR RECEIVE. ACFT GROUNDED. NR 2 HF COUPLER REMOVED AND REPLACED AMM 23-11-61. OPS CHECKED GOOD AND GROUND VERIFICATION SUCCESSFUL. CAN TRANSMIT AND RECEIVE ON HF 2.
- Difficulty date
- March 4, 2018
- Submitted
- April 4, 2018
- Operation
- Air carrier
- Aircraft
- N584AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 40,130 hours, 11,921 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 154052
- Condition
- Failed
- Location
- Hf System
- Part time
- 44,144 hours, 13,072 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.