What was found
HF 2 INDICATES FAIL ON RADIO TUNING PANEL. GROUNDED - YES. REPLACED HF TRANSCEIVER REF B737-900 AMM 23-11-21.
- Difficulty date
- February 2, 2020
- Submitted
- February 5, 2020
- Operation
- Air carrier
- Aircraft
- N474AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40715
- Aircraft time
- 18,440 hours, 5,907 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 45M3T6
- Condition
- Failed
- Location
- Nr 2 Hf Comms
- Part time
- 18,445 hours, 5,908 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.