What was found
NR 1 HF FAIL INDICATED IN RTP. GROUNDED - YES. ACCOMPLISHED HF SYSTEM BITE REF FIM 23-11 TASK 801. BITE SHOWS LRU PASS AND FAIL INDICATION REMOVED. CREW VERIFIED NR 1 HF NORMAL OPERATION. GROUND VERIFICATION ACCOMPLISHED.
- Difficulty date
- October 5, 2018
- Submitted
- October 9, 2018
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 39,872 hours, 12,152 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.