What was found
UNABLE TO TRANSMIT ON HF 1, RECEIVE ONLY. GROUNDED - YES. REMOVED AND REPLACED #1 HF COUPLER PER B737-800 AMM 23-11-61. OPS CHECK GOOD.
- Difficulty date
- June 1, 2019
- Submitted
- June 3, 2019
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 48,026 hours, 14,407 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 164226
- Condition
- Failed
- Location
- Nr 1 Hf Comms
- Part time
- 39,742 hours, 11,758 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.