What was found
CAN'T TRANSMIT OR RECEIVE ON NR 1 HF. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 HF COUPLER IAW AMM 23-11-61.
- Difficulty date
- July 9, 2017
- Submitted
- July 12, 2017
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 35,391 hours, 10,823 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 178248
- Condition
- Failed
- Location
- Nr 1 Hf Antenna
- Part time
- 10,351 hours, 2,997 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.