As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU TREND DATA SHOWS CT5ATP TEMP HAS SURPASSED THE 605 DEGREES THRESHOLD. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT START CAPABILITY, MEL 49- 99A IS REQUIRED PRIOR TO FLIGHT. GROUNDED - YES. REMOVED & REPLACED APU FUEL NOZZLES LEAK & OPS NORMAL REF B737-900 AMM 49-31-14.