As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAULT AUTO SHUTDOWN ON TAXI IN. A SECOND START WAS ATTEMPTED, BUT ALSO AUTO SHUTDOWN. APU SPOOLED TO 24 % BUT WOULD NOT LIGHT OFF. ACCOMPLISHED TSM 49-62-00-810-830-A. FUEL SUPPLY & FCI (59KF19) FLOW DIVIDER FAULT. REMOVED AND REPLACED THE FLOW DIVIDER IAW AMM TASK 49-31-51 AND REMOVED AND REPLACED FUEL CTL UNIT PER AMM TASK 49-32-51, OPS CHECKED APU IAW AMM 49-00-00 OPS CKD GOOD. OK FOR SVC.