What was found
NR 1 HF RECEIVE AUDIO COMPLETELY GARBLED AND UNREADABLE (SERVERAL FREQUENCIES AND LOCATIONS TRIED). HF NR 1 BITE CHECK NORMAL PER MM 23 11 00 UNABLE TO DUPLICATE RECEPTION NR 1 & NR 2 APPEAR EQUAL.
- Difficulty date
- July 28, 2011
- Submitted
- August 1, 2011
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 19,487 hours, 5,791 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Hf Comm
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.