What was found
HF NR 1 SHOWING FAIL ON ACTIVE AND STANDBY. GROUNDED - YES. CYCLED A/C POWER & BATT OFF & ON. FAIL LIGHT CLEARED C/W FIM TASK 23-11, 802 & HF TRANSCIEVER BITE TEST TASK 23-11, 801. NO FAULTS INDICATED. OPS NORMAL.
- Difficulty date
- August 29, 2019
- Submitted
- August 31, 2019
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 47,453 hours, 14,081 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Hf Comm
- Condition
- Malfunctioned
- Location
- Nr 1
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.