What was found
HF 1 RADIO TRANSMISSION PROBLEM AT ALL STATIONS REMOVED AND REPLACED LEFT HF ANTENNA COUPLER AND NO. 1 HF TRANSCEIVER IN REF AMM 23-11-21 AND AMM 23-11-61. PERFORMED OPS CHK. CHK OK ROTABLE PARTS CHANGE WAS INDICATED - TT # 1808384 SN OFF 1542 TT # 1877342 SN OFF 0412 IPC REFERENCE # 23-11-61-01 TRANSCEIVER, HF OFF 29-2311-9-0010 1542 ON 29-2311-9-0010 2016 COUPLER, HF ANT OFF 29-2311-9-0012 0612 ON 29-2311-9-0012 2051