What was found
LEFT HF WILL NOT TRANSMIT. REPLACED LEFT HF COUPLER PER AMM. OPS CHECK NORMAL.
- Difficulty date
- March 7, 2011
- Submitted
- March 7, 2011
- Operation
- Air carrier
- Aircraft
- N780UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26944
- Aircraft time
- 59,417 hours, 10,727 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987003
- Part serial
- 35
- Condition
- Faulty
- Location
- Lt 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.