As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TESTING THE HF RADIOS, HF1 HAS NO STATIC AND WAS NOT TUNING, AND HF2 HAD STATIC BUT COULD NOT TUNE. GROUNDED - YES. BOTH HF RT'S BITE CK NORMAL. CYCLED POWER TO BOTH HF'S. NR 1 OPERATION RETURNED TO NORMAL. NR 2 WILL NOT CHANNELIZE, REC OK. RELEASED PER MEL 23-11C, BOTH HF'S INOP. CAPTAIN'S RTP REMOVED AND REPLACED REF AMM 23-12-41. OPERATIONAL CHECK OF HF NR 1 AND HF NR 2 GOOD. THIS CLEARS MELS 23-11C.