SDR ASAA2013022894030

Service difficulty report · None · Boeing 737890

Difficulty date: February 28, 2013
Submitted: March 5, 2013
Operation: Air carrier
Aircraft: N593AS
Make and model: Boeing 737890
Aircraft serial: 35107
Aircraft time: 18,985 hours, 5,965 cycles
System (JASC): 2310 · HF Communications System
Part: None
Condition: None
Location: Hf System One
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.

What was found

UNABLE TO TRANSMIT ON HF NR 1, ACFT GROUNDED. COULD NOT DUPLICATE PROBLEM. PERFORMED HF NR 1, OPS TEST IAW AMM 23-11-00 & HF SYS TEST IAW AMM 23-11-00 - BOTH OPS NORMAL. ESTABLISHED TWO-WAY COMMS. GOOD RECEIVE & TRANSMIT AND SELCAL TONE & CHIME ALSO. ETOPS GROUND VERIFICATION SUCCESSFUL.