What was found
FAIL SHOWING HF2 BOTH ACTIVE AND STANDBY DISPLAYS, GOOD SELCAL. GROUNDED-YES. PERFORMED HF2 BITE TEST, REF B737-800 FIM 23-11 TASK 802 AND TASK 801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FAIL SHOWING HF2 BOTH ACTIVE AND STANDBY DISPLAYS, GOOD SELCAL. GROUNDED-YES. PERFORMED HF2 BITE TEST, REF B737-800 FIM 23-11 TASK 802 AND TASK 801.