What was found
APU SHUTOFF AND RT FUEL PUMP FAIL DURING PUSH BACK. REMOVED AND REPLACED APU MOTION PICK-UP TRANSDUCER AND ECU AS A PRECAUTIONARY STEP IN T/S APU. COULD NOT REPRODUCE DISCREPANCY. OP CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU SHUTOFF AND RT FUEL PUMP FAIL DURING PUSH BACK. REMOVED AND REPLACED APU MOTION PICK-UP TRANSDUCER AND ECU AS A PRECAUTIONARY STEP IN T/S APU. COULD NOT REPRODUCE DISCREPANCY. OP CHECK GOOD.