What was found
NR 1 HF CHECK, FAILED. HF 1 SEEMS TO TUNE FINE BUT UNABLE TO TRANSMIT OUT. CAN HEAR ALL OTHER AIRCRAFT AND RADIO ON TUNED FEQ. WHEN TUNING RADIO, THE TONE/BEEP LASTED IN EXCESS OF 5 SECONDS. ACFT GROUNDED.
- Difficulty date
- August 22, 2018
- Submitted
- August 27, 2018
- Operation
- Air carrier
- Aircraft
- N506AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35690
- Aircraft time
- 38,805 hours, 11,927 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Hf Comm
- Condition
- No Test
- Location
- Nr 1
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.