What was found
RT HF RADIO WILL NOT COUPLE UP TO TUNE A FREQUENCY. SUSPECT BAD COUPLER, REPLACED RIGHT HF COUPLER PER MM. RADIO CHECKS OKAY.
- Difficulty date
- January 7, 2011
- Submitted
- January 26, 2011
- Operation
- Air carrier
- Aircraft
- N777UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26916
- Aircraft time
- 63,665 hours, 11,745 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2397 · Communications System Wiring
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 217
- Condition
- Faulty
- Location
- Hf Radio
- 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.