Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
January 7, 2017
Submitted
January 10, 2017
Operation
Air carrier
Aircraft
N474AS
Make and model
Boeing 737990ER
Aircraft serial
40715
Aircraft time
6,120 hours, 2,005 cycles
Part
Warning Light
Condition
False Activation
Location
Nr 2 Hf Sys
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 2 HF FAIL DISPLAYED IN FREQUENCY WINDOW. ACFT GROUNDED. PERFORMED OPS TEST OF NR 2 HF COMMUNICATION SYSTEM. OPS CHECKED GOOD. PERFORMED SYSTEM TEST OF NR 2 HF COMMUNICATION SYSTEM. OPS TEST GOOD IAW AMM 23-11-00.