What was found
LEFT HF COUPLER REPLACED. ACCOMPLISHED TEST PER AMM.
- Difficulty date
- March 28, 2013
- Submitted
- April 25, 2013
- Operation
- Air carrier
- Aircraft
- N120UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29166
- Aircraft time
- 57,538 hours, 6,688 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 490S1
- Part serial
- 4
- Condition
- Faulted
- Location
- Left Hf Sys
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.