SDR ASAA2021030934280

Difficulty date

March 9, 2021

Submitted

March 16, 2021

Operation

Air carrier

Aircraft

N423AS

Make and model

Boeing 737990ER

Aircraft serial

35206

Aircraft time

28,600 hours, 9,189 cycles

System (JASC)

2310 · HF Communications System

Part

Transceiver

Part number

8220990004

Part serial

40F87L

Condition

Failed

Location

Nr 1 Hf Sys

Part time

28,632 hours, 9,198 cycles

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.