What was found
HF RECEPTION WEAK, INTERMITTENT, ERRATIC. ALL FREQS TRANSMISSIONS OK. REPLACED LEFT HF COUPLER, IAW AMM 23-11-01, ACCOMPLISHED LOCAL AND LONG DISTANCE CHECK, TESTED GOOD.
- Difficulty date
- June 19, 2013
- Submitted
- July 18, 2013
- Operation
- Air carrier
- Aircraft
- N643UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25093
- Aircraft time
- 94,968 hours, 14,971 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 26
- Condition
- Failed
- Location
- Hf System
- 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.