What was found
BOTH RADIO TUNING PANELS DISPLAY "FAIL" WHEN HF1 IS SELECTED. GROUNDED - YES. R&R NO 1 HF TRANSCEIVER PER B737-800 AMM 23-11-21-000-801 & AMM 23-11-21-400-801 ALL OPS CHECK & BITES TESTS PASSED.
- Difficulty date
- February 11, 2021
- Submitted
- February 17, 2021
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 51,385 hours, 15,347 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 18PGKV
- Condition
- Inoperative
- Location
- Nr 1 Hf System
- Part time
- 32,331 hours, 9,386 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.