What was found
LEFT HF RADIO UNABLE TO TRANSMIT. REPLACED LEFT HF COUPLER PER MM, OPS CHECK GOOD. TUNE FREQUENCY 6.640 TOOK BETWEEN 4 AND 7 SECONDS. RADIO TRANSMISSION MADE ON TUNED FREQUENCY TRANSMIT & RECEIVE VOICE COMMUNICATION.
- Difficulty date
- February 28, 2013
- Submitted
- February 28, 2013
- Operation
- Air carrier
- Aircraft
- N589UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28707
- Aircraft time
- 60,079 hours, 16,809 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 10529
- Condition
- Faulty
- Location
- Hf Comm
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.