What was found
HF1 HAS NO SIDE TONE. GROUNDED - YES. REPLACED NR 1 HF TRANSCEIVER REF B737-800 AMM 23-11-21.
- Difficulty date
- February 14, 2021
- Submitted
- February 18, 2021
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 51,401 hours, 15,350 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 18RYP9
- Condition
- Inoperative
- Location
- Nr 1 Hf Comms
- Part time
- 330 hours, 91 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.