What was found
HF RADIO 1 DISPLAYING FAIL. GROUNDED - YES. REMOVED AND REPLACED HF TRANSCEIVER HF1. OPS CHECKED GOOD. REF B737-900 AMM TASK 23-11-21-400-801. REF B737-900 FIM 23-11 TASK 803.
- Difficulty date
- June 4, 2022
- Submitted
- June 6, 2022
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 25,443 hours, 8,080 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 46T3FC
- Condition
- Failed
- Location
- E/E Rack E8
- Part time
- 25,433 hours, 8,077 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.