What was found
HF 1 TRANSMITTER INOPERATIVE. HF1 WILL RECEIVE ALERTS AND CAN HEAR COMMUNICATION. CANNOT TRANSMIT. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 HF COUPLER IAW AMM 23-11-61.
- Difficulty date
- June 21, 2018
- Submitted
- June 25, 2018
- Operation
- Air carrier
- Aircraft
- N529AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 32,149 hours, 9,638 cycles
- System (JASC)
- 2397 · Communications System Wiring
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 155984
- Condition
- Inoperative
- Location
- Nr 1 Hf Comms
- Part time
- 12,052 hours, 3,541 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.