As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - BITE TEST OF GAPCU SHOWS CLASS 1 FAULT 242300 WRG: GEN APU FEEDER. TROUBLESHOOT PER TSM TASK 24-20-00-810-998-A UP TO STEP 4A.(2)(B) & FOUND FEEDERS ARE CORRECT. REMOVED AND REPLACED APU-GEN (8XS) PER AMM 24-23-51. OPS TEST GOOD. BITE TEST OF THE GAPCU GOOD. NO FAULTS. LEAK CHECK GOOD. GENERATOR, APU, OFF 33-2423-9-0001 04919 ON 33-2423-9-0001 04404