What was found
NR 1 HF RADIO RECEIVES BUT WILL NOT TRANSMIT FROM CAPTAINS OR FO'S AUDIO PANELS. GROUNDED - YES. REMOVED & REPLACED NR 1 HF COUPLER IAW AMM 23-11-61. GROUND VERIFICATION SUCCESSFUL REF AMM 23-11-61.
- Difficulty date
- June 22, 2018
- Submitted
- June 26, 2018
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 43,280 hours, 12,853 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 154765
- Condition
- Failed
- Location
- Hf Comm
- Part time
- 39,067 hours, 11,620 cycles
- 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.