What was found
LOST NR 1 VHF COMMUNICATIONS RADIOS. SUPPLEMENTAL DATA UPDATE LT RADIO CONTROL PANEL AND LT VHF TRANSCEIVER WERE REPLACED. AUDIO MANAGEMENT UNIT WAS PREVIOUSLY REPLACED FOR FAILURE OF THE RIGHT CHANNEL.
- Difficulty date
- July 7, 2002
- Submitted
- July 16, 2002
- Operation
- Air carrier
- Aircraft
- N189UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26878
- Aircraft time
- 42,958 hours, 5,160 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2312 · VHF Communications System
- Part
- Vhf Comm
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.