What was found
LT HF TRANSMIT ISSUES, DUE TO SEVERAL SQUAWKS OF LT HF NOT TRANSMITTING IN FLT BUT CHECKS GOOD ON GROUND. REPLACED LT HF ANTENNA COUPLER IAW AMM 23-11-03. OPERATIONS CHECKED GOOD.
- Difficulty date
- September 25, 2013
- Submitted
- September 27, 2013
- Operation
- Air carrier
- Aircraft
- N799UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26926
- Aircraft time
- 67,949 hours, 9,629 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 257
- Condition
- Faulty
- Location
- Hf Comm
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.