What was found
HF 1 DISPLAYS FAIL IN BOTH WINDOWS. GROUNDED - YES. REPLACED #1 HF TRANSCEIVER REF B737-900 AMM 23-11-21. ORIG SUBMISSION DATE: 12/19/2022
- Difficulty date
- December 14, 2022
- Submitted
- December 22, 2022
- Operation
- Air carrier
- Aircraft
- N472AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60580
- Aircraft time
- 28,525 hours, 8,827 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 44Y591
- Condition
- Failed
- Location
- Nr 1 Hf Comms
- Part time
- 28,586 hours, 6,844 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.