What was found
HF TRANSMISSION AND RECEPTION ARE INOP, WEAK, GARBLED, INTERMITTENT, ETC AT ALL CREW STNS (1 = L HF, 2 = R HF) 1. CREW COMMENTS: LEFT HF DOESN’T XMIT RECEIVE OK. REPLACED COUPLER, NO HELP. REPLACED TRANSCEIVER, CHECKS GOOD.
- Difficulty date
- August 10, 2009
- Submitted
- August 13, 2009
- Operation
- Air carrier
- Aircraft
- N643UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25093
- Aircraft time
- 79,462 hours, 12,769 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2397 · Communications System Wiring
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 412
- Condition
- Faulty
- Location
- Hf Transceiver
- Component
- Transceiver
- Component part number
- 6225272120
- 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.