What was found
#2 HF WILL NOT TRANSMIT. GROUNDED - YES. REMOVED AND REPLACED #2 HF ANTENNA COUPLER PER AMM TASK 23-11-61-000-801/23-11-61-400-801. INSTALLATION AND GROUND OPERATIONAL TEST SUCCESSFUL.
- Difficulty date
- September 3, 2019
- Submitted
- September 17, 2019
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 23,290 hours, 7,570 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 164270
- Condition
- Failed
- Location
- Hf Comm
- Part time
- 35,390 hours, 11,156 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.