What was found
WHEN HF1 IS SELECTED ON MIC SELECTOR PANEL, "FAIL" IS INDICATED IN BOTH ACTIVE AND STANDBY WINDOWS. GROUNDED - YES. ACCOMPLISHED HF COMMUNICATION SYSTEM TEST B737-900 AMM TASK 23-11-00-730-801. OPS CK GOOD.
- Difficulty date
- November 2, 2018
- Submitted
- November 6, 2018
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 12,648 hours, 4,219 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning Message
- Condition
- Activated
- Location
- Hf 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.