What was found
NUMBER 1 HF RADIO SHOWS FAILED. GROUNDED - YES. REMOVED AND REPLACED HF1 TRANSCEIVER PER B737-900 AMM 23-11-21-400-801, OPS CHECK NORMAL.
- Difficulty date
- February 23, 2021
- Submitted
- February 26, 2021
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 20,184 hours, 6,476 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 46Y6C8
- Condition
- Failed
- Location
- Nr 1 Hf
- Part time
- 20,207 hours, 6,481 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.