What was found
HF RADIO - TRANSMISSION PROBLEM. RIGHT RADIO INOP. RT HF IS SLOW TO TUNE FREQ ORDERED COUPLER M23202 (530-9045) TO B29 PARTS LOCATION. REPLACED RIGHT COUPLER, CHECKED OKAY.
- Difficulty date
- April 5, 2011
- Submitted
- April 27, 2011
- Operation
- Air carrier
- Aircraft
- N793UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26946
- Aircraft time
- 60,573 hours, 8,832 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 12090
- 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.