What was found
AIRTURN BACK, POWER STANDBY LIGHT ILLUMNINATED IN FLIGHT. QRH PROCEDURES FOLLOWED. LIGHT WOULD NOT RESET. REMOVED AND REPLACED STANDBY POWER MODULE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRTURN BACK, POWER STANDBY LIGHT ILLUMNINATED IN FLIGHT. QRH PROCEDURES FOLLOWED. LIGHT WOULD NOT RESET. REMOVED AND REPLACED STANDBY POWER MODULE PER MM.