What was found
IN FLIGHT/ HF1 FAIL LIGHT CAN HEAR BUT NO TRANSMIT. GROUNDED - YES. REMOVED AND REPLACED HF1 TRANSCEIVER PER B737-900 AMM 23-11-21. REMOVED POWER AND RESTACKED AIRCRAFT. PER TEST REF AMM 23-11-21 OPS CHK OK.
- Difficulty date
- January 12, 2022
- Submitted
- January 15, 2022
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 21,440 hours, 6,778 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 4791CD
- Condition
- Faulty
- Location
- E/E Rack E6
- Part time
- 21,433 hours, 6,776 cycles
- Stage of operation
- CR
- 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.