What was found
HF 1 ACTIVE AND STBY SHOW FAIL ON BOTH COMM HEADS. GROUNDED - YES. REMOVED AND INSTALLED NEW #1 HF TRANSCEIVER PER B737-800 AMM 23-11-21/401, OPS NORMAL. NFF. GROUND VERIFICATION SUCCESSFUL. ORIG SUBMISSION DATE: 12/27/2022
- Difficulty date
- December 20, 2022
- Submitted
- December 29, 2022
- Operation
- Air carrier
- Aircraft
- N568AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35183
- Aircraft time
- 55,973 hours, 16,709 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 17TD5N
- Condition
- Faulted
- Location
- Nr 1 Hf Comms
- Part time
- 44,056 hours, 12,842 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.