What was found
HF 2 RADIO "FAIL" WHEN TRYING TO TUNE. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER REF B737-900 AMM 23-11-21. OPS CHECK GOOD. GROUND VERIFICATION TEST SUCCESSFUL.
- Difficulty date
- October 18, 2021
- Submitted
- October 20, 2021
- Operation
- Air carrier
- Aircraft
- N477AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40716
- Aircraft time
- 22,735 hours, 7,115 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 459KCY
- Condition
- Failed
- Location
- Ee Rack, E6
- Part time
- 22,753 hours, 7,119 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.